72396038 has 16 divisors (see below), whose sum is σ = 127579536. Its totient is φ = 30375840.

The previous prime is 72396029. The next prime is 72396043. The reversal of 72396038 is 83069327.

It is a junction number, because it is equal to n+sod(n) for n = 72395992 and 72396010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126281 + ... + 126852.

It is an arithmetic number, because the mean of its divisors is an integer number (7973721).

Almost surely, 2^72396038 is an apocalyptic number.

72396038 is a deficient number, since it is larger than the sum of its proper divisors (55183498).

72396038 is a wasteful number, since it uses less digits than its factorization.

72396038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253159.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 72396038 is about 8508.5861340178. The cubic root of 72396038 is about 416.7781409115.

Subtracting 72396038 from its reverse (83069327), we obtain a square (10673289 = 3267²).

The spelling of 72396038 in words is "seventy-two million, three hundred ninety-six thousand, thirty-eight".