45747632 has 20 divisors (see below), whose sum is σ = 101298576. Its totient is φ = 19606080.

The previous prime is 45747631. The next prime is 45747673. The reversal of 45747632 is 23674754.

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

It is not an unprimeable number, because it can be changed into a prime (45747631) 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, 204119 + ... + 204342.

Almost surely, 2^45747632 is an apocalyptic number.

It is an amenable number.

45747632 is an abundant number, since it is smaller than the sum of its proper divisors (55550944).

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

45747632 is a wasteful number, since it uses less digits than its factorization.

45747632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408476 (or 408470 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 45747632 is about 6763.6995793722. The cubic root of 45747632 is about 357.6483339653.

The spelling of 45747632 in words is "forty-five million, seven hundred forty-seven thousand, six hundred thirty-two".