70937739 has 6 divisors (see below), whose sum is σ = 102465636. Its totient is φ = 47291820.

The previous prime is 70937707. The next prime is 70937777. The reversal of 70937739 is 93773907.

It is not a de Polignac number, because 70937739 - 2⁵ = 70937707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70937694 and 70937703.

It is not an unprimeable number, because it can be changed into a prime (70937639) 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 5 ways as a sum of consecutive naturals, for example, 3940977 + ... + 3940994.

It is an arithmetic number, because the mean of its divisors is an integer number (17077606).

Almost surely, 2^70937739 is an apocalyptic number.

70937739 is a deficient number, since it is larger than the sum of its proper divisors (31527897).

70937739 is a wasteful number, since it uses less digits than its factorization.

70937739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7881977 (or 7881974 counting only the distinct ones).

The product of its (nonzero) digits is 250047, while the sum is 45.

The square root of 70937739 is about 8422.4544522366. The cubic root of 70937739 is about 413.9607013037.

The spelling of 70937739 in words is "seventy million, nine hundred thirty-seven thousand, seven hundred thirty-nine".