72549054 has 16 divisors (see below), whose sum is σ = 161220240. Its totient is φ = 24183000.

The previous prime is 72549053. The next prime is 72549077. The reversal of 72549054 is 45094527.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72549053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671697 + ... + 671804.

It is an arithmetic number, because the mean of its divisors is an integer number (10076265).

Almost surely, 2^72549054 is an apocalyptic number.

72549054 is an abundant number, since it is smaller than the sum of its proper divisors (88671186).

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

72549054 is a wasteful number, since it uses less digits than its factorization.

72549054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343512 (or 1343506 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 72549054 is about 8517.5732459428. The cubic root of 72549054 is about 417.0715678624.

The spelling of 72549054 in words is "seventy-two million, five hundred forty-nine thousand, fifty-four".