72397862 has 8 divisors (see below), whose sum is σ = 112341600. Its totient is φ = 34950664.

The previous prime is 72397861. The next prime is 72397867. The reversal of 72397862 is 26879327.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72397861) 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, 624062 + ... + 624177.

It is an arithmetic number, because the mean of its divisors is an integer number (14042700).

Almost surely, 2^72397862 is an apocalyptic number.

72397862 is a deficient number, since it is larger than the sum of its proper divisors (39943738).

72397862 is a wasteful number, since it uses less digits than its factorization.

72397862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248270.

The product of its digits is 254016, while the sum is 44.

The square root of 72397862 is about 8508.6933191883. The cubic root of 72397862 is about 416.7816410890.

The spelling of 72397862 in words is "seventy-two million, three hundred ninety-seven thousand, eight hundred sixty-two".