72663151357750 has 96 divisors (see below), whose sum is σ = 146900099956896. Its totient is φ = 26895147854400.

The previous prime is 72663151357721. The next prime is 72663151357759. The reversal of 72663151357750 is 5775315136627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72663151357759) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5481249 + ... + 13242748.

It is an arithmetic number, because the mean of its divisors is an integer number (1530209374551).

Almost surely, 2^{72663151357750} is an apocalyptic number.

72663151357750 is an abundant number, since it is smaller than the sum of its proper divisors (74236948599146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72663151357750 is a wasteful number, since it uses less digits than its factorization.

72663151357750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18724095 (or 18724066 counting only the distinct ones).

The product of its (nonzero) digits is 27783000, while the sum is 58.

The spelling of 72663151357750 in words is "seventy-two trillion, six hundred sixty-three billion, one hundred fifty-one million, three hundred fifty-seven thousand, seven hundred fifty".