72870694 has 32 divisors (see below), whose sum is σ = 121546656. Its totient is φ = 32551680.

The previous prime is 72870689. The next prime is 72870697. The reversal of 72870694 is 49607827.

It is a super-3 number, since 3×72870694³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72870694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72870697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209829 + ... + 210175.

It is an arithmetic number, because the mean of its divisors is an integer number (3798333).

Almost surely, 2^72870694 is an apocalyptic number.

72870694 is a deficient number, since it is larger than the sum of its proper divisors (48675962).

72870694 is a wasteful number, since it uses less digits than its factorization.

72870694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 72870694 is about 8536.4333301444. The cubic root of 72870694 is about 417.6870095790.

The spelling of 72870694 in words is "seventy-two million, eight hundred seventy thousand, six hundred ninety-four".