73440474 has 32 divisors (see below), whose sum is σ = 150980544. Its totient is φ = 23802240.

The previous prime is 73440467. The next prime is 73440487. The reversal of 73440474 is 47404437.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71992 + ... + 73004.

It is an arithmetic number, because the mean of its divisors is an integer number (4718142).

Almost surely, 2^73440474 is an apocalyptic number.

73440474 is an abundant number, since it is smaller than the sum of its proper divisors (77540070).

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

73440474 is a wasteful number, since it uses less digits than its factorization.

73440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 37632, while the sum is 33.

The square root of 73440474 is about 8569.7417697385. The cubic root of 73440474 is about 418.7728237653.

The spelling of 73440474 in words is "seventy-three million, four hundred forty thousand, four hundred seventy-four".