70744064 has 24 divisors (see below), whose sum is σ = 141457680. Its totient is φ = 35371008.

The previous prime is 70744033. The next prime is 70744097. The reversal of 70744064 is 46044707.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 70744064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15224 + ... + 19319.

It is an arithmetic number, because the mean of its divisors is an integer number (5894070).

Almost surely, 2^70744064 is an apocalyptic number.

It is an amenable number.

70744064 is a deficient number, since it is larger than the sum of its proper divisors (70713616).

70744064 is an equidigital number, since it uses as much as digits as its factorization.

70744064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34565 (or 34545 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 70744064 is about 8410.9490546549. The cubic root of 70744064 is about 413.5836245663.

The spelling of 70744064 in words is "seventy million, seven hundred forty-four thousand, sixty-four".