1372735225 has 24 divisors (see below), whose sum is σ = 1747120320. Its totient is φ = 1069360320.

The previous prime is 1372735223. The next prime is 1372735267. The reversal of 1372735225 is 5225372731.

It is not a de Polignac number, because 1372735225 - 2¹ = 1372735223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1372735223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384147 + ... + 387703.

It is an arithmetic number, because the mean of its divisors is an integer number (72796680).

Almost surely, 2^1372735225 is an apocalyptic number.

It is an amenable number.

1372735225 is a deficient number, since it is larger than the sum of its proper divisors (374385095).

1372735225 is a wasteful number, since it uses less digits than its factorization.

1372735225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969 (or 3964 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 1372735225 is about 37050.4416302964. The cubic root of 1372735225 is about 1111.3791868074.

The spelling of 1372735225 in words is "one billion, three hundred seventy-two million, seven hundred thirty-five thousand, two hundred twenty-five".