70642 has 24 divisors (see below), whose sum is σ = 131760. Its totient is φ = 28080.

The previous prime is 70639. The next prime is 70657. The reversal of 70642 is 24607.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3709 + ... + 3727.

It is an arithmetic number, because the mean of its divisors is an integer number (5490).

2⁷⁰⁶⁴² is an apocalyptic number.

70642 is a deficient number, since it is larger than the sum of its proper divisors (61118).

70642 is a wasteful number, since it uses less digits than its factorization.

70642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70642 is about 265.7856279034. The cubic root of 70642 is about 41.3384633475.

The spelling of 70642 in words is "seventy thousand, six hundred forty-two".