70526993 has 16 divisors (see below), whose sum is σ = 77952000. Its totient is φ = 63510480.

The previous prime is 70526983. The next prime is 70527001. The reversal of 70526993 is 39962507.

It is a cyclic number.

It is not a de Polignac number, because 70526993 - 2²² = 66332689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70526993.

It is not an unprimeable number, because it can be changed into a prime (70526983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86558 + ... + 87368.

It is an arithmetic number, because the mean of its divisors is an integer number (4872000).

Almost surely, 2^70526993 is an apocalyptic number.

It is an amenable number.

70526993 is a deficient number, since it is larger than the sum of its proper divisors (7425007).

70526993 is a wasteful number, since it uses less digits than its factorization.

70526993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 70526993 is about 8398.0350678001. The cubic root of 70526993 is about 413.1601780059.

The spelling of 70526993 in words is "seventy million, five hundred twenty-six thousand, nine hundred ninety-three".