72478996 has 12 divisors (see below), whose sum is σ = 133514080. Its totient is φ = 34332120.

The previous prime is 72478993. The next prime is 72478997. The reversal of 72478996 is 69987427.

It is a super-2 number, since 2×72478996² = 10506409722336032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72478993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476760 + ... + 476911.

Almost surely, 2^72478996 is an apocalyptic number.

72478996 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72478996 is a deficient number, since it is larger than the sum of its proper divisors (61035084).

72478996 is a wasteful number, since it uses less digits than its factorization.

72478996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953694 (or 953692 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 72478996 is about 8513.4596962692. The cubic root of 72478996 is about 416.9372743113.

The spelling of 72478996 in words is "seventy-two million, four hundred seventy-eight thousand, nine hundred ninety-six".