70737057 has 28 divisors (see below), whose sum is σ = 111660880. Its totient is φ = 44667288.

The previous prime is 70737053. The next prime is 70737077. The reversal of 70737057 is 75073707.

It is a happy number.

It is not a de Polignac number, because 70737057 - 2² = 70737053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70737053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11298 + ... + 16404.

Almost surely, 2^70737057 is an apocalyptic number.

It is an amenable number.

70737057 is a deficient number, since it is larger than the sum of its proper divisors (40923823).

70737057 is an equidigital number, since it uses as much as digits as its factorization.

70737057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 36015, while the sum is 36.

The square root of 70737057 is about 8410.5325039500. The cubic root of 70737057 is about 413.5699693517.

The spelling of 70737057 in words is "seventy million, seven hundred thirty-seven thousand, fifty-seven".