72870038 has 8 divisors (see below), whose sum is σ = 111971160. Its totient is φ = 35546320.

The previous prime is 72870029. The next prime is 72870047. The reversal of 72870038 is 83007827.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72870029) and next prime (72870047).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444248 + ... + 444411.

It is an arithmetic number, because the mean of its divisors is an integer number (13996395).

Almost surely, 2^72870038 is an apocalyptic number.

72870038 is a deficient number, since it is larger than the sum of its proper divisors (39101122).

72870038 is a wasteful number, since it uses less digits than its factorization.

72870038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888702.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 72870038 is about 8536.3949065165. The cubic root of 72870038 is about 417.6857562014.

The spelling of 72870038 in words is "seventy-two million, eight hundred seventy thousand, thirty-eight".