72490134 has 16 divisors (see below), whose sum is σ = 145589760. Its totient is φ = 24061800.

The previous prime is 72490129. The next prime is 72490147. The reversal of 72490134 is 43109427.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23842 + ... + 26709.

It is an arithmetic number, because the mean of its divisors is an integer number (9099360).

Almost surely, 2^72490134 is an apocalyptic number.

72490134 is an abundant number, since it is smaller than the sum of its proper divisors (73099626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72490134 is a wasteful number, since it uses less digits than its factorization.

72490134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50795.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 72490134 is about 8514.1138117833. The cubic root of 72490134 is about 416.9586304272.

The spelling of 72490134 in words is "seventy-two million, four hundred ninety thousand, one hundred thirty-four".