1972942524 has 72 divisors (see below), whose sum is σ = 5771816960. Its totient is φ = 556556832.

The previous prime is 1972942523. The next prime is 1972942549. The reversal of 1972942524 is 4252492791.

1972942524 is a `hidden beast` number, since 19 + 72 + 9 + 42 + 524 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1972942524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972942523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29644 + ... + 69459.

Almost surely, 2^1972942524 is an apocalyptic number.

1972942524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1972942524 is an abundant number, since it is smaller than the sum of its proper divisors (3798874436).

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

1972942524 is a wasteful number, since it uses less digits than its factorization.

1972942524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99199 (or 99194 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1972942524 is about 44417.8176411224. The cubic root of 1972942524 is about 1254.2135194975.

The spelling of 1972942524 in words is "one billion, nine hundred seventy-two million, nine hundred forty-two thousand, five hundred twenty-four".