72061254 has 24 divisors (see below), whose sum is σ = 162922032. Its totient is φ = 22975920.

The previous prime is 72061217. The next prime is 72061261. The reversal of 72061254 is 45216027.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 86617 + ... + 87444.

It is an arithmetic number, because the mean of its divisors is an integer number (6788418).

Almost surely, 2^72061254 is an apocalyptic number.

72061254 is an abundant number, since it is smaller than the sum of its proper divisors (90860778).

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

72061254 is a wasteful number, since it uses less digits than its factorization.

72061254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174092 (or 174089 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 72061254 is about 8488.8900334496. The cubic root of 72061254 is about 416.1347065912.

The spelling of 72061254 in words is "seventy-two million, sixty-one thousand, two hundred fifty-four".