70137642 has 16 divisors (see below), whose sum is σ = 140437440. Its totient is φ = 23352192.

The previous prime is 70137637. The next prime is 70137659. The reversal of 70137642 is 24673107.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 718 + ... + 11865.

It is an arithmetic number, because the mean of its divisors is an integer number (8777340).

Almost surely, 2^70137642 is an apocalyptic number.

70137642 is an abundant number, since it is smaller than the sum of its proper divisors (70299798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70137642 is a wasteful number, since it uses less digits than its factorization.

70137642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13517.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 70137642 is about 8374.8219085542. The cubic root of 70137642 is about 412.3984778627.

The spelling of 70137642 in words is "seventy million, one hundred thirty-seven thousand, six hundred forty-two".