70121701 has 8 divisors (see below), whose sum is σ = 76222944. Its totient is φ = 64121520.

The previous prime is 70121699. The next prime is 70121717. The reversal of 70121701 is 10712107.

70121701 = T₃₂₇₈ + T₃₂₇₉ + ... + T₃₂₉₀.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70121701 - 2¹ = 70121699 is a prime.

It is a super-2 number, since 2×70121701² = 9834105902266802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70121741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23815 + ... + 26596.

It is an arithmetic number, because the mean of its divisors is an integer number (9527868).

Almost surely, 2^70121701 is an apocalyptic number.

It is an amenable number.

70121701 is a deficient number, since it is larger than the sum of its proper divisors (6101243).

70121701 is a wasteful number, since it uses less digits than its factorization.

70121701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50531.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 70121701 is about 8373.8701327403. The cubic root of 70121701 is about 412.3672319579.

Adding to 70121701 its reverse (10712107), we get a palindrome (80833808).

It can be divided in two parts, 70 and 121701, that added together give a triangular number (121771 = T₄₉₃).

The spelling of 70121701 in words is "seventy million, one hundred twenty-one thousand, seven hundred one".