72296946 has 24 divisors (see below), whose sum is σ = 156937404. Its totient is φ = 24053760.

The previous prime is 72296941. The next prime is 72296963. The reversal of 72296946 is 64969227.

It can be written as a sum of positive squares in 2 ways, for example, as 55577025 + 16719921 = 7455^2 + 4089^2 .

It is not an unprimeable number, because it can be changed into a prime (72296941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6906 + ... + 13866.

Almost surely, 2^72296946 is an apocalyptic number.

72296946 is an abundant number, since it is smaller than the sum of its proper divisors (84640458).

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

72296946 is a wasteful number, since it uses less digits than its factorization.

72296946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546 (or 7543 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 72296946 is about 8502.7610809666. The cubic root of 72296946 is about 416.5878992084.

The spelling of 72296946 in words is "seventy-two million, two hundred ninety-six thousand, nine hundred forty-six".