672297216 has 72 divisors (see below), whose sum is σ = 1883505120. Its totient is φ = 212299776.

The previous prime is 672297193. The next prime is 672297239. The reversal of 672297216 is 612792276.

It is an interprime number because it is at equal distance from previous prime (672297193) and next prime (672297239).

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, 8445 + ... + 37628.

Almost surely, 2^672297216 is an apocalyptic number.

It is an amenable number.

672297216 is an abundant number, since it is smaller than the sum of its proper divisors (1211207904).

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

672297216 is a wasteful number, since it uses less digits than its factorization.

672297216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46111 (or 46097 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 672297216 is about 25928.6948379590. The cubic root of 672297216 is about 876.0329421944.

The spelling of 672297216 in words is "six hundred seventy-two million, two hundred ninety-seven thousand, two hundred sixteen".