72674999 has 4 divisors (see below), whose sum is σ = 73040400. Its totient is φ = 72309600.

The previous prime is 72674989. The next prime is 72675011. The reversal of 72674999 is 99947627.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72674999 - 2¹⁶ = 72609463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72674999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72674909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182402 + ... + 182799.

It is an arithmetic number, because the mean of its divisors is an integer number (18260100).

Almost surely, 2^72674999 is an apocalyptic number.

72674999 is a deficient number, since it is larger than the sum of its proper divisors (365401).

72674999 is a wasteful number, since it uses less digits than its factorization.

72674999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365400.

The product of its digits is 1714608, while the sum is 53.

The square root of 72674999 is about 8524.9632843784. The cubic root of 72674999 is about 417.3127734504.

The spelling of 72674999 in words is "seventy-two million, six hundred seventy-four thousand, nine hundred ninety-nine".