72694903 has 8 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 71014968.

The previous prime is 72694901. The next prime is 72694939. The reversal of 72694903 is 30949627.

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

It is a cyclic number.

It is not a de Polignac number, because 72694903 - 2¹ = 72694901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72694901) 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, 5838 + ... + 13396.

It is an arithmetic number, because the mean of its divisors is an integer number (9298800).

Almost surely, 2^72694903 is an apocalyptic number.

72694903 is a deficient number, since it is larger than the sum of its proper divisors (1695497).

72694903 is a wasteful number, since it uses less digits than its factorization.

72694903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 72694903 is about 8526.1305995158. The cubic root of 72694903 is about 417.3508674092.

The spelling of 72694903 in words is "seventy-two million, six hundred ninety-four thousand, nine hundred three".