72950691 has 16 divisors (see below), whose sum is σ = 106501248. Its totient is φ = 44049600.

The previous prime is 72950681. The next prime is 72950699. The reversal of 72950691 is 19605927.

It is not a de Polignac number, because 72950691 - 2¹¹ = 72948643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72950699) 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, 5340 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (6656328).

Almost surely, 2^72950691 is an apocalyptic number.

72950691 is a deficient number, since it is larger than the sum of its proper divisors (33550557).

72950691 is a wasteful number, since it uses less digits than its factorization.

72950691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 72950691 is about 8541.1176669099. The cubic root of 72950691 is about 417.8397984264.

The spelling of 72950691 in words is "seventy-two million, nine hundred fifty thousand, six hundred ninety-one".