45479974 has 4 divisors (see below), whose sum is σ = 68219964. Its totient is φ = 22739986.

The previous prime is 45479957. The next prime is 45479983. The reversal of 45479974 is 47997454.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11369992 + ... + 11369995.

It is an arithmetic number, because the mean of its divisors is an integer number (17054991).

Almost surely, 2^45479974 is an apocalyptic number.

45479974 is a deficient number, since it is larger than the sum of its proper divisors (22739990).

45479974 is a wasteful number, since it uses less digits than its factorization.

45479974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22739989.

The product of its digits is 1270080, while the sum is 49.

The square root of 45479974 is about 6743.8841923627. The cubic root of 45479974 is about 356.9494654465.

The spelling of 45479974 in words is "forty-five million, four hundred seventy-nine thousand, nine hundred seventy-four".