73379972 has 24 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 35751200.

The previous prime is 73379963. The next prime is 73379983. The reversal of 73379972 is 27997337.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49847 + ... + 51297.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^73379972 is an apocalyptic number.

It is an amenable number.

73379972 is a deficient number, since it is larger than the sum of its proper divisors (58345468).

73379972 is a wasteful number, since it uses less digits than its factorization.

73379972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1769 counting only the distinct ones).

The product of its digits is 500094, while the sum is 47.

The square root of 73379972 is about 8566.2110644088. The cubic root of 73379972 is about 418.6577938514.

The spelling of 73379972 in words is "seventy-three million, three hundred seventy-nine thousand, nine hundred seventy-two".