701664942 has 32 divisors (see below), whose sum is σ = 1534619520. Its totient is φ = 212109920.

The previous prime is 701664917. The next prime is 701664949. The reversal of 701664942 is 249466107.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 701664942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701664949) 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, 14968 + ... + 40340.

It is an arithmetic number, because the mean of its divisors is an integer number (47956860).

Almost surely, 2^701664942 is an apocalyptic number.

701664942 is an abundant number, since it is smaller than the sum of its proper divisors (832954578).

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

701664942 is a wasteful number, since it uses less digits than its factorization.

701664942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25808.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 701664942 is about 26488.9588696876. The cubic root of 701664942 is about 888.6074008683.

The spelling of 701664942 in words is "seven hundred one million, six hundred sixty-four thousand, nine hundred forty-two".