73464644 has 12 divisors (see below), whose sum is σ = 140250768. Its totient is φ = 33393000.

The previous prime is 73464641. The next prime is 73464653. The reversal of 73464644 is 44646437.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73464598 and 73464607.

It is not an unprimeable number, because it can be changed into a prime (73464641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834782 + ... + 834869.

It is an arithmetic number, because the mean of its divisors is an integer number (11687564).

Almost surely, 2^73464644 is an apocalyptic number.

It is an amenable number.

73464644 is a deficient number, since it is larger than the sum of its proper divisors (66786124).

73464644 is a wasteful number, since it uses less digits than its factorization.

73464644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669666 (or 1669664 counting only the distinct ones).

The product of its digits is 193536, while the sum is 38.

The square root of 73464644 is about 8571.1518479140. The cubic root of 73464644 is about 418.8187595116.

The spelling of 73464644 in words is "seventy-three million, four hundred sixty-four thousand, six hundred forty-four".