45470740 has 24 divisors (see below), whose sum is σ = 109130112. Its totient is φ = 15589920.

The previous prime is 45470729. The next prime is 45470749. The reversal of 45470740 is 4707454.

It is a super-2 number, since 2×45470740² = 4135176392295200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45470749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162256 + ... + 162535.

It is an arithmetic number, because the mean of its divisors is an integer number (4547088).

Almost surely, 2^45470740 is an apocalyptic number.

It is an amenable number.

45470740 is an abundant number, since it is smaller than the sum of its proper divisors (63659372).

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

45470740 is a wasteful number, since it uses less digits than its factorization.

45470740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324807 (or 324805 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 45470740 is about 6743.1995373116. The cubic root of 45470740 is about 356.9253061358.

The spelling of 45470740 in words is "forty-five million, four hundred seventy thousand, seven hundred forty".