72633584390 has 16 divisors (see below), whose sum is σ = 136424819808. Its totient is φ = 27790240896.

The previous prime is 72633584369. The next prime is 72633584431. The reversal of 72633584390 is 9348533627.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157898867 + ... + 157899326.

It is an arithmetic number, because the mean of its divisors is an integer number (8526551238).

Almost surely, 2^72633584390 is an apocalyptic number.

72633584390 is a deficient number, since it is larger than the sum of its proper divisors (63791235418).

72633584390 is a wasteful number, since it uses less digits than its factorization.

72633584390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315798223.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 72633584390 in words is "seventy-two billion, six hundred thirty-three million, five hundred eighty-four thousand, three hundred ninety".