72988424 has 48 divisors (see below), whose sum is σ = 146304000. Its totient is φ = 34128864.

The previous prime is 72988423. The next prime is 72988427. The reversal of 72988424 is 42488927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72988423) 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, 366677 + ... + 366875.

It is an arithmetic number, because the mean of its divisors is an integer number (3048000).

Almost surely, 2^72988424 is an apocalyptic number.

It is an amenable number.

72988424 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

72988424 is a wasteful number, since it uses less digits than its factorization.

72988424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 347 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 72988424 is about 8543.3262842993. The cubic root of 72988424 is about 417.9118271322.

The spelling of 72988424 in words is "seventy-two million, nine hundred eighty-eight thousand, four hundred twenty-four".