70139377 has 16 divisors (see below), whose sum is σ = 88934400. Its totient is φ = 53724240.

The previous prime is 70139357. The next prime is 70139401. The reversal of 70139377 is 77393107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70139377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70139327) 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, 3177 + ... + 12262.

It is an arithmetic number, because the mean of its divisors is an integer number (5558400).

Almost surely, 2^70139377 is an apocalyptic number.

70139377 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

70139377 is a deficient number, since it is larger than the sum of its proper divisors (18795023).

70139377 is a wasteful number, since it uses less digits than its factorization.

70139377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516.

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 70139377 is about 8374.9254922059. The cubic root of 70139377 is about 412.4018783451.

The spelling of 70139377 in words is "seventy million, one hundred thirty-nine thousand, three hundred seventy-seven".