75737872025 has 6 divisors (see below), whose sum is σ = 93914961342. Its totient is φ = 60590297600.

The previous prime is 75737871973. The next prime is 75737872027. The reversal of 75737872025 is 52027873757.

It can be written as a sum of positive squares in 3 ways, for example, as 904986889 + 74832885136 = 30083^2 + 273556^2 .

It is a de Polignac number, because none of the positive numbers 2^k-75737872025 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75737872027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1514757416 + ... + 1514757465.

It is an arithmetic number, because the mean of its divisors is an integer number (15652493557).

Almost surely, 2^75737872025 is an apocalyptic number.

It is an amenable number.

75737872025 is a deficient number, since it is larger than the sum of its proper divisors (18177089317).

75737872025 is a wasteful number, since it uses less digits than its factorization.

75737872025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029514891 (or 3029514886 counting only the distinct ones).

The product of its (nonzero) digits is 5762400, while the sum is 53.

The spelling of 75737872025 in words is "seventy-five billion, seven hundred thirty-seven million, eight hundred seventy-two thousand, twenty-five".