972619830 has 96 divisors (see below), whose sum is σ = 3112409664. Its totient is φ = 205210368.

The previous prime is 972619829. The next prime is 972619853. The reversal of 972619830 is 38916279.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51189 + ... + 67568.

It is an arithmetic number, because the mean of its divisors is an integer number (32420934).

Almost surely, 2^972619830 is an apocalyptic number.

972619830 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

972619830 is an abundant number, since it is smaller than the sum of its proper divisors (2139789834).

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

972619830 is a wasteful number, since it uses less digits than its factorization.

972619830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118790 (or 118787 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 972619830 is about 31186.8534802727. The cubic root of 972619830 is about 990.7886889364.

The spelling of 972619830 in words is "nine hundred seventy-two million, six hundred nineteen thousand, eight hundred thirty".