70187465 has 4 divisors (see below), whose sum is σ = 84224964. Its totient is φ = 56149968.

The previous prime is 70187437. The next prime is 70187473. The reversal of 70187465 is 56478107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56478107 = 7 ⋅8068301.

It can be written as a sum of positive squares in 2 ways, for example, as 37503376 + 32684089 = 6124^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 70187465 - 2⁶ = 70187401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7018742 + ... + 7018751.

It is an arithmetic number, because the mean of its divisors is an integer number (21056241).

Almost surely, 2^70187465 is an apocalyptic number.

It is an amenable number.

70187465 is a deficient number, since it is larger than the sum of its proper divisors (14037499).

70187465 is a wasteful number, since it uses less digits than its factorization.

70187465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037498.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 70187465 is about 8377.7959512034. The cubic root of 70187465 is about 412.4961052586.

The spelling of 70187465 in words is "seventy million, one hundred eighty-seven thousand, four hundred sixty-five".