70637842 has 16 divisors (see below), whose sum is σ = 115728192. Its totient is φ = 32069520.

The previous prime is 70637821. The next prime is 70637849. The reversal of 70637842 is 24873607.

It is not an unprimeable number, because it can be changed into a prime (70637849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25363 + ... + 28009.

It is an arithmetic number, because the mean of its divisors is an integer number (7233012).

Almost surely, 2^70637842 is an apocalyptic number.

70637842 is a deficient number, since it is larger than the sum of its proper divisors (45090350).

70637842 is a wasteful number, since it uses less digits than its factorization.

70637842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 70637842 is about 8404.6321751758. The cubic root of 70637842 is about 413.3765226866.

The spelling of 70637842 in words is "seventy million, six hundred thirty-seven thousand, eight hundred forty-two".