72874510633 has 4 divisors (see below), whose sum is σ = 72935905680. Its totient is φ = 72813115588.

The previous prime is 72874510619. The next prime is 72874510679. The reversal of 72874510633 is 33601547827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72874510633 - 2⁵ = 72874510601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72874510613) 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, 30695743 + ... + 30698116.

It is an arithmetic number, because the mean of its divisors is an integer number (18233976420).

Almost surely, 2^72874510633 is an apocalyptic number.

It is an amenable number.

72874510633 is a deficient number, since it is larger than the sum of its proper divisors (61395047).

72874510633 is a wasteful number, since it uses less digits than its factorization.

72874510633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61395046.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 72874510633 in words is "seventy-two billion, eight hundred seventy-four million, five hundred ten thousand, six hundred thirty-three".