1372487997 has 32 divisors (see below), whose sum is σ = 1906248960. Its totient is φ = 877754880.

The previous prime is 1372487969. The next prime is 1372488077. The reversal of 1372487997 is 7997842731.

It is not a de Polignac number, because 1372487997 - 2¹¹ = 1372485949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372487927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2238663 + ... + 2239275.

It is an arithmetic number, because the mean of its divisors is an integer number (59570280).

Almost surely, 2^1372487997 is an apocalyptic number.

It is an amenable number.

1372487997 is a deficient number, since it is larger than the sum of its proper divisors (533760963).

1372487997 is a wasteful number, since it uses less digits than its factorization.

1372487997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its digits is 5334336, while the sum is 57.

The square root of 1372487997 is about 37047.1051095764. The cubic root of 1372487997 is about 1111.3124634401.

The spelling of 1372487997 in words is "one billion, three hundred seventy-two million, four hundred eighty-seven thousand, nine hundred ninety-seven".