70078965 has 24 divisors (see below), whose sum is σ = 123249504. Its totient is φ = 33976800.

The previous prime is 70078937. The next prime is 70078969. The reversal of 70078965 is 56987007.

It is not a de Polignac number, because 70078965 - 2⁵ = 70078933 is a prime.

It is a super-2 number, since 2×70078965² = 9822122670942450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70078969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17491 + ... + 21120.

It is an arithmetic number, because the mean of its divisors is an integer number (5135396).

Almost surely, 2^70078965 is an apocalyptic number.

It is an amenable number.

70078965 is a deficient number, since it is larger than the sum of its proper divisors (53170539).

70078965 is a wasteful number, since it uses less digits than its factorization.

70078965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38641 (or 38630 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 70078965 is about 8371.3179965881. The cubic root of 70078965 is about 412.2834418847.

The spelling of 70078965 in words is "seventy million, seventy-eight thousand, nine hundred sixty-five".