72001694 has 16 divisors (see below), whose sum is σ = 111542640. Its totient is φ = 34836480.

The previous prime is 72001687. The next prime is 72001703. The reversal of 72001694 is 49610027.

It is a Curzon number.

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, 5534 + ... + 13214.

It is an arithmetic number, because the mean of its divisors is an integer number (6971415).

Almost surely, 2^72001694 is an apocalyptic number.

72001694 is a deficient number, since it is larger than the sum of its proper divisors (39540946).

72001694 is a wasteful number, since it uses less digits than its factorization.

72001694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 72001694 is about 8485.3811935587. The cubic root of 72001694 is about 416.0200272348.

The spelling of 72001694 in words is "seventy-two million, one thousand, six hundred ninety-four".