1972674630 has 24 divisors (see below), whose sum is σ = 5128954272. Its totient is φ = 526046544.

The previous prime is 1972674619. The next prime is 1972674637. The reversal of 1972674630 is 364762791.

1972674630 is a `hidden beast` number, since 1 + 9 + 7 + 2 + 6 + 7 + 4 + 630 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972674637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10959214 + ... + 10959393.

It is an arithmetic number, because the mean of its divisors is an integer number (213706428).

Almost surely, 2^1972674630 is an apocalyptic number.

1972674630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1972674630 is an abundant number, since it is smaller than the sum of its proper divisors (3156279642).

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

1972674630 is a wasteful number, since it uses less digits than its factorization.

1972674630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21918620 (or 21918617 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 1972674630 is about 44414.8019245837. The cubic root of 1972674630 is about 1254.1567495577.

The spelling of 1972674630 in words is "one billion, nine hundred seventy-two million, six hundred seventy-four thousand, six hundred thirty".