3730557046225 has 27 divisors (see below), whose sum is σ = 4726983184027. Its totient is φ = 2920591404080.

The previous prime is 3730557046217. The next prime is 3730557046259. The reversal of 3730557046225 is 5226407550373.

The square root of 3730557046225 is 1931465.

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., 1343000536641 + 2387556509584 = 1158879^2 + 1545172^2 .

It is not a de Polignac number, because 3730557046225 - 2³ = 3730557046217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 453890166 + ... + 453898384.

Almost surely, 2^{3730557046225} is an apocalyptic number.

3730557046225 is the 1931465-th square number.

3730557046225 is the 965733-rd centered octagonal number.

It is an amenable number.

3730557046225 is a deficient number, since it is larger than the sum of its proper divisors (996426137802).

3730557046225 is an frugal number, since it uses more digits than its factorization.

3730557046225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542 (or 8271 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 49.

Multiplying 3730557046225 by its sum of digits (49), we get a square (182797295265025 = 13520255²).

The spelling of 3730557046225 in words is "three trillion, seven hundred thirty billion, five hundred fifty-seven million, forty-six thousand, two hundred twenty-five".