72402863 has 8 divisors (see below), whose sum is σ = 82076400. Its totient is φ = 63315648.

The previous prime is 72402859. The next prime is 72402871. The reversal of 72402863 is 36820427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72402863 - 2² = 72402859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72402893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146318 + ... + 146811.

It is an arithmetic number, because the mean of its divisors is an integer number (10259550).

Almost surely, 2^72402863 is an apocalyptic number.

72402863 is a deficient number, since it is larger than the sum of its proper divisors (9673537).

72402863 is a wasteful number, since it uses less digits than its factorization.

72402863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293161.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 72402863 is about 8508.9871900244. The cubic root of 72402863 is about 416.7912374911.

The spelling of 72402863 in words is "seventy-two million, four hundred two thousand, eight hundred sixty-three".