72074999 has 8 divisors (see below), whose sum is σ = 76008240. Its totient is φ = 68155776.

The previous prime is 72074987. The next prime is 72075013. The reversal of 72074999 is 99947027.

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 72074999 - 2⁴ = 72074983 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 (72074699) 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, 8069 + ... + 14465.

It is an arithmetic number, because the mean of its divisors is an integer number (9501030).

Almost surely, 2^72074999 is an apocalyptic number.

72074999 is a deficient number, since it is larger than the sum of its proper divisors (3933241).

72074999 is a wasteful number, since it uses less digits than its factorization.

72074999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 72074999 is about 8489.6995824352. The cubic root of 72074999 is about 416.1611628239.

The spelling of 72074999 in words is "seventy-two million, seventy-four thousand, nine hundred ninety-nine".