70398516 has 24 divisors (see below), whose sum is σ = 165251520. Its totient is φ = 23324992.

The previous prime is 70398511. The next prime is 70398533. The reversal of 70398516 is 61589307.

70398516 is nontrivially palindromic in base 16.

70398516 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70398511) 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, 15561 + ... + 19568.

It is an arithmetic number, because the mean of its divisors is an integer number (6885480).

Almost surely, 2^70398516 is an apocalyptic number.

It is an amenable number.

70398516 is an abundant number, since it is smaller than the sum of its proper divisors (94853004).

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

70398516 is a wasteful number, since it uses less digits than its factorization.

70398516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35303 (or 35301 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 70398516 is about 8390.3823512400. The cubic root of 70398516 is about 412.9091448294.

The spelling of 70398516 in words is "seventy million, three hundred ninety-eight thousand, five hundred sixteen".