72429574 has 8 divisors (see below), whose sum is σ = 124165008. Its totient is φ = 31041240.

The previous prime is 72429569. The next prime is 72429583. The reversal of 72429574 is 47592427.

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

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, 2586757 + ... + 2586784.

It is an arithmetic number, because the mean of its divisors is an integer number (15520626).

Almost surely, 2^72429574 is an apocalyptic number.

72429574 is a deficient number, since it is larger than the sum of its proper divisors (51735434).

72429574 is a wasteful number, since it uses less digits than its factorization.

72429574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173550.

The product of its digits is 141120, while the sum is 40.

The square root of 72429574 is about 8510.5566210442. The cubic root of 72429574 is about 416.8424856578.

The spelling of 72429574 in words is "seventy-two million, four hundred twenty-nine thousand, five hundred seventy-four".