975642132 has 12 divisors (see below), whose sum is σ = 2276498336. Its totient is φ = 325214040.

The previous prime is 975642131. The next prime is 975642133. The reversal of 975642132 is 231246579.

It is an interprime number because it is at equal distance from previous prime (975642131) and next prime (975642133).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975642131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40651744 + ... + 40651767.

Almost surely, 2^975642132 is an apocalyptic number.

It is an amenable number.

975642132 is an abundant number, since it is smaller than the sum of its proper divisors (1300856204).

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

975642132 is a wasteful number, since it uses less digits than its factorization.

975642132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81303518 (or 81303516 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 975642132 is about 31235.2706407356. The cubic root of 975642132 is about 991.8138809796.

The spelling of 975642132 in words is "nine hundred seventy-five million, six hundred forty-two thousand, one hundred thirty-two".