72527434 has 16 divisors (see below), whose sum is σ = 128620800. Its totient is φ = 30011184.

The previous prime is 72527431. The next prime is 72527447. The reversal of 72527434 is 43472527.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 72527434.

It is not an unprimeable number, because it can be changed into a prime (72527431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88914 + ... + 89725.

It is an arithmetic number, because the mean of its divisors is an integer number (8038800).

Almost surely, 2^72527434 is an apocalyptic number.

72527434 is a deficient number, since it is larger than the sum of its proper divisors (56093366).

72527434 is a wasteful number, since it uses less digits than its factorization.

72527434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178677.

The product of its digits is 47040, while the sum is 34.

The square root of 72527434 is about 8516.3040105435. The cubic root of 72527434 is about 417.0301339053.

The spelling of 72527434 in words is "seventy-two million, five hundred twenty-seven thousand, four hundred thirty-four".