72845654 has 16 divisors (see below), whose sum is σ = 127428000. Its totient is φ = 31219272.

The previous prime is 72845627. The next prime is 72845657. The reversal of 72845654 is 45654827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72845657) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52409 + ... + 53780.

It is an arithmetic number, because the mean of its divisors is an integer number (7964250).

Almost surely, 2^72845654 is an apocalyptic number.

72845654 is a deficient number, since it is larger than the sum of its proper divisors (54582346).

72845654 is a wasteful number, since it uses less digits than its factorization.

72845654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106212 (or 106198 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 72845654 is about 8534.9665494365. The cubic root of 72845654 is about 417.6391618991.

The spelling of 72845654 in words is "seventy-two million, eight hundred forty-five thousand, six hundred fifty-four".