70736915 has 16 divisors (see below), whose sum is σ = 90084960. Its totient is φ = 53137920.

The previous prime is 70736909. The next prime is 70736917. The reversal of 70736915 is 51963707.

It is not a de Polignac number, because 70736915 - 2⁴ = 70736899 is a prime.

It is a super-2 number, since 2×70736915² = 10007422287434450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70736917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55556 + ... + 56814.

It is an arithmetic number, because the mean of its divisors is an integer number (5630310).

Almost surely, 2^70736915 is an apocalyptic number.

70736915 is a deficient number, since it is larger than the sum of its proper divisors (19348045).

70736915 is a wasteful number, since it uses less digits than its factorization.

70736915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 70736915 is about 8410.5240621498. The cubic root of 70736915 is about 413.5696926133.

The spelling of 70736915 in words is "seventy million, seven hundred thirty-six thousand, nine hundred fifteen".