72536434 has 8 divisors (see below), whose sum is σ = 113535360. Its totient is φ = 34691316.

The previous prime is 72536423. The next prime is 72536447. The reversal of 72536434 is 43463527.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72536434.

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, 788394 + ... + 788485.

It is an arithmetic number, because the mean of its divisors is an integer number (14191920).

Almost surely, 2^72536434 is an apocalyptic number.

72536434 is a deficient number, since it is larger than the sum of its proper divisors (40998926).

72536434 is a wasteful number, since it uses less digits than its factorization.

72536434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576904.

The product of its digits is 60480, while the sum is 34.

The square root of 72536434 is about 8516.8323923863. The cubic root of 72536434 is about 417.0473830838.

The spelling of 72536434 in words is "seventy-two million, five hundred thirty-six thousand, four hundred thirty-four".