72296154 has 96 divisors (see below), whose sum is σ = 187858944. Its totient is φ = 19660320.

The previous prime is 72296117. The next prime is 72296173. The reversal of 72296154 is 45169227.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324087 + ... + 324309.

It is an arithmetic number, because the mean of its divisors is an integer number (1956864).

Almost surely, 2^72296154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72296154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93929472).

72296154 is an abundant number, since it is smaller than the sum of its proper divisors (115562790).

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

72296154 is a wasteful number, since it uses less digits than its factorization.

72296154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 349 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 72296154 is about 8502.7145077322. The cubic root of 72296154 is about 416.5863779877.

The spelling of 72296154 in words is "seventy-two million, two hundred ninety-six thousand, one hundred fifty-four".