72867694 has 4 divisors (see below), whose sum is σ = 109301544. Its totient is φ = 36433846.

The previous prime is 72867673. The next prime is 72867713. The reversal of 72867694 is 49676827.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18216922 + ... + 18216925.

It is an arithmetic number, because the mean of its divisors is an integer number (27325386).

Almost surely, 2^72867694 is an apocalyptic number.

72867694 is a deficient number, since it is larger than the sum of its proper divisors (36433850).

72867694 is a wasteful number, since it uses less digits than its factorization.

72867694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36433849.

The product of its digits is 1016064, while the sum is 49.

The square root of 72867694 is about 8536.2576109206. The cubic root of 72867694 is about 417.6812776075.

The spelling of 72867694 in words is "seventy-two million, eight hundred sixty-seven thousand, six hundred ninety-four".