70750645 has 32 divisors (see below), whose sum is σ = 102021120. Its totient is φ = 46052160.

The previous prime is 70750613. The next prime is 70750657. The reversal of 70750645 is 54605707.

It is not a de Polignac number, because 70750645 - 2⁵ = 70750613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70750645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143850 + ... + 144340.

It is an arithmetic number, because the mean of its divisors is an integer number (3188160).

Almost surely, 2^70750645 is an apocalyptic number.

It is an amenable number.

70750645 is a deficient number, since it is larger than the sum of its proper divisors (31270475).

70750645 is a wasteful number, since it uses less digits than its factorization.

70750645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 70750645 is about 8411.3402618132. The cubic root of 70750645 is about 413.5964487727.

The spelling of 70750645 in words is "seventy million, seven hundred fifty thousand, six hundred forty-five".