72479022 has 64 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 18499680.

The previous prime is 72479009. The next prime is 72479047. The reversal of 72479022 is 22097427.

It is a super-4 number, since 4×72479022⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25929 + ... + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^72479022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72479022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91929600).

72479022 is an abundant number, since it is smaller than the sum of its proper divisors (111380178).

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

72479022 is a wasteful number, since it uses less digits than its factorization.

72479022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72479022 is about 8513.4612232628. The cubic root of 72479022 is about 416.9373241666.

The spelling of 72479022 in words is "seventy-two million, four hundred seventy-nine thousand, twenty-two".