72431754 has 8 divisors (see below), whose sum is σ = 144863520. Its totient is φ = 24143916.

The previous prime is 72431753. The next prime is 72431771. The reversal of 72431754 is 45713427.

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

72431754 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72431753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6035974 + ... + 6035985.

It is an arithmetic number, because the mean of its divisors is an integer number (18107940).

Almost surely, 2^72431754 is an apocalyptic number.

72431754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72431754 is a wasteful number, since it uses less digits than its factorization.

72431754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071964.

The product of its digits is 23520, while the sum is 33.

The square root of 72431754 is about 8510.6846963097. The cubic root of 72431754 is about 416.8466676857.

The spelling of 72431754 in words is "seventy-two million, four hundred thirty-one thousand, seven hundred fifty-four".