70956937 has 4 divisors (see below), whose sum is σ = 72687636. Its totient is φ = 69226240.

The previous prime is 70956913. The next prime is 70956959. The reversal of 70956937 is 73965907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18481401 + 52475536 = 4299^2 + 7244^2 .

It is a cyclic number.

It is not a de Polignac number, because 70956937 - 2²³ = 62568329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70956967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865288 + ... + 865369.

It is an arithmetic number, because the mean of its divisors is an integer number (18171909).

Almost surely, 2^70956937 is an apocalyptic number.

It is an amenable number.

70956937 is a deficient number, since it is larger than the sum of its proper divisors (1730699).

70956937 is a wasteful number, since it uses less digits than its factorization.

70956937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730698.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 70956937 is about 8423.5940666677. The cubic root of 70956937 is about 413.9980415631.

The spelling of 70956937 in words is "seventy million, nine hundred fifty-six thousand, nine hundred thirty-seven".