72867371 has 8 divisors (see below), whose sum is σ = 74156544. Its totient is φ = 71585640.

The previous prime is 72867349. The next prime is 72867383. The reversal of 72867371 is 17376827.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72867371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72867331) 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, 20126 + ... + 23468.

It is an arithmetic number, because the mean of its divisors is an integer number (9269568).

Almost surely, 2^72867371 is an apocalyptic number.

72867371 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

72867371 is a deficient number, since it is larger than the sum of its proper divisors (1289173).

72867371 is a wasteful number, since it uses less digits than its factorization.

72867371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721.

The product of its digits is 98784, while the sum is 41.

The square root of 72867371 is about 8536.2386916018. The cubic root of 72867371 is about 417.6806604559.

The spelling of 72867371 in words is "seventy-two million, eight hundred sixty-seven thousand, three hundred seventy-one".