70464638 has 16 divisors (see below), whose sum is σ = 108274320. Its totient is φ = 34382400.

The previous prime is 70464631. The next prime is 70464661. The reversal of 70464638 is 83646407.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70464631) 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, 13778 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (6767145).

Almost surely, 2^70464638 is an apocalyptic number.

70464638 is a deficient number, since it is larger than the sum of its proper divisors (37809682).

70464638 is a wasteful number, since it uses less digits than its factorization.

70464638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 70464638 is about 8394.3217712928. The cubic root of 70464638 is about 413.0383797269.

The spelling of 70464638 in words is "seventy million, four hundred sixty-four thousand, six hundred thirty-eight".