672734074 has 16 divisors (see below), whose sum is σ = 1037582856. Its totient is φ = 326894400.

The previous prime is 672734071. The next prime is 672734099. The reversal of 672734074 is 470437276.

It can be written as a sum of positive squares in 4 ways, for example, as 523723225 + 149010849 = 22885^2 + 12207^2 .

It is a super-2 number, since 2×672734074² = 905142268641274952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672734071) 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, 64804 + ... + 74464.

Almost surely, 2^672734074 is an apocalyptic number.

672734074 is a deficient number, since it is larger than the sum of its proper divisors (364848782).

672734074 is a wasteful number, since it uses less digits than its factorization.

672734074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10641.

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 672734074 is about 25937.1176887487. The cubic root of 672734074 is about 876.2226495276. Note that the first 3 decimals are identical.

The spelling of 672734074 in words is "six hundred seventy-two million, seven hundred thirty-four thousand, seventy-four".