37572007225 has 9 divisors (see below), whose sum is σ = 46590490767. Its totient is φ = 30056830440.

The previous prime is 37572007211. The next prime is 37572007229. The reversal of 37572007225 is 52270027573.

The square root of 37572007225 is 193835.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13525922601 + 24046084624 = 116301^2 + 155068^2 .

It is not a de Polignac number, because 37572007225 - 2²⁵ = 37538452793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37572007229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 949792 + ... + 988558.

Almost surely, 2^37572007225 is an apocalyptic number.

37572007225 is the 193835-th square number.

37572007225 is the 96918-th centered octagonal number.

It is an amenable number.

37572007225 is a deficient number, since it is larger than the sum of its proper divisors (9018483542).

37572007225 is an frugal number, since it uses more digits than its factorization.

37572007225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77544 (or 38772 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 40.

The spelling of 37572007225 in words is "thirty-seven billion, five hundred seventy-two million, seven thousand, two hundred twenty-five".