70503340 has 12 divisors (see below), whose sum is σ = 148057056. Its totient is φ = 28201328.

The previous prime is 70503317. The next prime is 70503343. The reversal of 70503340 is 4330507.

It is a super-3 number, since 3×70503340³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (70503343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762564 + ... + 1762603.

It is an arithmetic number, because the mean of its divisors is an integer number (12338088).

Almost surely, 2^70503340 is an apocalyptic number.

It is an amenable number.

70503340 is an abundant number, since it is smaller than the sum of its proper divisors (77553716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70503340 is a wasteful number, since it uses less digits than its factorization.

70503340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525176 (or 3525174 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 70503340 is about 8396.6267036233. The cubic root of 70503340 is about 413.1139849576.

Adding to 70503340 its reverse (4330507), we get a palindrome (74833847).

The spelling of 70503340 in words is "seventy million, five hundred three thousand, three hundred forty".