472195690 has 16 divisors (see below), whose sum is σ = 879261480. Its totient is φ = 182365120.

The previous prime is 472195637. The next prime is 472195741. The reversal of 472195690 is 96591274.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 266244489 + 205951201 = 16317^2 + 14351^2 .

It is a super-2 number, since 2×472195690² = 445937539309152200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813841 + ... + 814420.

Almost surely, 2^472195690 is an apocalyptic number.

472195690 is a deficient number, since it is larger than the sum of its proper divisors (407065790).

472195690 is a wasteful number, since it uses less digits than its factorization.

472195690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628297.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 472195690 is about 21730.0641968679. The cubic root of 472195690 is about 778.7068700687.

The spelling of 472195690 in words is "four hundred seventy-two million, one hundred ninety-five thousand, six hundred ninety".