73018972 has 12 divisors (see below), whose sum is σ = 137612776. Its totient is φ = 33701040.

The previous prime is 73018949. The next prime is 73018993. The reversal of 73018972 is 27981037.

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 3 ways as a sum of consecutive naturals, for example, 702054 + ... + 702157.

Almost surely, 2^73018972 is an apocalyptic number.

It is an amenable number.

73018972 is a deficient number, since it is larger than the sum of its proper divisors (64593804).

73018972 is a wasteful number, since it uses less digits than its factorization.

73018972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404228 (or 1404226 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 73018972 is about 8545.1139255132. The cubic root of 73018972 is about 417.9701221748.

The spelling of 73018972 in words is "seventy-three million, eighteen thousand, nine hundred seventy-two".