1957075772 has 24 divisors (see below), whose sum is σ = 3615402000. Its totient is φ = 924397056.

The previous prime is 1957075739. The next prime is 1957075789. The reversal of 1957075772 is 2775707591.

It is a self number, because there is not a number n which added to its sum of digits gives 1957075772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647 + ... + 63302.

It is an arithmetic number, because the mean of its divisors is an integer number (150641750).

Almost surely, 2^1957075772 is an apocalyptic number.

It is an amenable number.

1957075772 is a deficient number, since it is larger than the sum of its proper divisors (1658326228).

1957075772 is a wasteful number, since it uses less digits than its factorization.

1957075772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73325 (or 73323 counting only the distinct ones).

The product of its (nonzero) digits is 1080450, while the sum is 50.

The square root of 1957075772 is about 44238.8491260792. The cubic root of 1957075772 is about 1250.8422637060.

The spelling of 1957075772 in words is "one billion, nine hundred fifty-seven million, seventy-five thousand, seven hundred seventy-two".