72455754 has 32 divisors (see below), whose sum is σ = 165888000. Its totient is φ = 20667312.

The previous prime is 72455749. The next prime is 72455767. The reversal of 72455754 is 45755427.

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 15 ways as a sum of consecutive naturals, for example, 35247 + ... + 37245.

It is an arithmetic number, because the mean of its divisors is an integer number (5184000).

Almost surely, 2^72455754 is an apocalyptic number.

72455754 is an abundant number, since it is smaller than the sum of its proper divisors (93432246).

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

72455754 is a wasteful number, since it uses less digits than its factorization.

72455754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874.

The product of its digits is 196000, while the sum is 39.

The square root of 72455754 is about 8512.0945718431. The cubic root of 72455754 is about 416.8927028140.

The spelling of 72455754 in words is "seventy-two million, four hundred fifty-five thousand, seven hundred fifty-four".