3645472434 has 64 divisors (see below), whose sum is σ = 7816314240. Its totient is φ = 1131217920.

The previous prime is 3645472429. The next prime is 3645472451. The reversal of 3645472434 is 4342745463.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724989 + ... + 729999.

It is an arithmetic number, because the mean of its divisors is an integer number (122129910).

Almost surely, 2^3645472434 is an apocalyptic number.

3645472434 is an abundant number, since it is smaller than the sum of its proper divisors (4170841806).

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

3645472434 is a wasteful number, since it uses less digits than its factorization.

3645472434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195.

The product of its digits is 967680, while the sum is 42.

The square root of 3645472434 is about 60377.7478380902. The cubic root of 3645472434 is about 1539.0448389125.

The spelling of 3645472434 in words is "three billion, six hundred forty-five million, four hundred seventy-two thousand, four hundred thirty-four".