1372745242 has 12 divisors (see below), whose sum is σ = 2263328298. Its totient is φ = 623975000.

The previous prime is 1372745221. The next prime is 1372745249. The reversal of 1372745242 is 2425472731.

It can be written as a sum of positive squares in only one way, i.e., 1171076841 + 201668401 = 34221^2 + 14201^2 .

It is not an unprimeable number, because it can be changed into a prime (1372745249) 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, 2836009 + ... + 2836492.

Almost surely, 2^1372745242 is an apocalyptic number.

1372745242 is a deficient number, since it is larger than the sum of its proper divisors (890583056).

1372745242 is a wasteful number, since it uses less digits than its factorization.

1372745242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672525 (or 5672514 counting only the distinct ones).

The product of its digits is 94080, while the sum is 37.

The square root of 1372745242 is about 37050.5768106247. The cubic root of 1372745242 is about 1111.3818900863.

The spelling of 1372745242 in words is "one billion, three hundred seventy-two million, seven hundred forty-five thousand, two hundred forty-two".