1972151744 has 28 divisors (see below), whose sum is σ = 4083643344. Its totient is φ = 943202304.

The previous prime is 1972151693. The next prime is 1972151761. The reversal of 1972151744 is 4471512791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668417 + ... + 671360.

Almost surely, 2^1972151744 is an apocalyptic number.

It is an amenable number.

1972151744 is an abundant number, since it is smaller than the sum of its proper divisors (2111491600).

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

1972151744 is a wasteful number, since it uses less digits than its factorization.

1972151744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339812 (or 1339802 counting only the distinct ones).

The product of its digits is 70560, while the sum is 41.

The square root of 1972151744 is about 44408.9151409939. The cubic root of 1972151744 is about 1254.0459289580.

The spelling of 1972151744 in words is "one billion, nine hundred seventy-two million, one hundred fifty-one thousand, seven hundred forty-four".