72253654 has 8 divisors (see below), whose sum is σ = 118233288. Its totient is φ = 32842560.

The previous prime is 72253633. The next prime is 72253661. The reversal of 72253654 is 45635227.

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

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 3 ways as a sum of consecutive naturals, for example, 1642107 + ... + 1642150.

It is an arithmetic number, because the mean of its divisors is an integer number (14779161).

Almost surely, 2^72253654 is an apocalyptic number.

72253654 is a deficient number, since it is larger than the sum of its proper divisors (45979634).

72253654 is a wasteful number, since it uses less digits than its factorization.

72253654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284270.

The product of its digits is 50400, while the sum is 34.

The square root of 72253654 is about 8500.2149384589. The cubic root of 72253654 is about 416.5047305300.

The spelling of 72253654 in words is "seventy-two million, two hundred fifty-three thousand, six hundred fifty-four".