72662942 has 8 divisors (see below), whose sum is σ = 118903032. Its totient is φ = 33028600.

The previous prime is 72662939. The next prime is 72662963. The reversal of 72662942 is 24926627.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 72662896 and 72662905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651409 + ... + 1651452.

It is an arithmetic number, because the mean of its divisors is an integer number (14862879).

Almost surely, 2^72662942 is an apocalyptic number.

72662942 is a deficient number, since it is larger than the sum of its proper divisors (46240090).

72662942 is a wasteful number, since it uses less digits than its factorization.

72662942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302874.

The product of its digits is 72576, while the sum is 38.

The square root of 72662942 is about 8524.2560965752. The cubic root of 72662942 is about 417.2896943610.

The spelling of 72662942 in words is "seventy-two million, six hundred sixty-two thousand, nine hundred forty-two".