72861496 has 16 divisors (see below), whose sum is σ = 137826000. Its totient is φ = 36107904.

The previous prime is 72861491. The next prime is 72861527. The reversal of 72861496 is 69416827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72861491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39396 + ... + 41203.

It is an arithmetic number, because the mean of its divisors is an integer number (8614125).

Almost surely, 2^72861496 is an apocalyptic number.

It is an amenable number.

72861496 is a deficient number, since it is larger than the sum of its proper divisors (64964504).

72861496 is a wasteful number, since it uses less digits than its factorization.

72861496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80718 (or 80714 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 72861496 is about 8535.8945635475. The cubic root of 72861496 is about 417.6694348561.

The spelling of 72861496 in words is "seventy-two million, eight hundred sixty-one thousand, four hundred ninety-six".