372713509 has 4 divisors (see below), whose sum is σ = 425958304. Its totient is φ = 319468716.

The previous prime is 372713507. The next prime is 372713513. The reversal of 372713509 is 905317273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 372713509 - 2¹ = 372713507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372713507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26622387 + ... + 26622400.

It is an arithmetic number, because the mean of its divisors is an integer number (106489576).

Almost surely, 2^372713509 is an apocalyptic number.

It is an amenable number.

372713509 is a deficient number, since it is larger than the sum of its proper divisors (53244795).

372713509 is an equidigital number, since it uses as much as digits as its factorization.

372713509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53244794.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 372713509 is about 19305.7895202450. The cubic root of 372713509 is about 719.6561559070.

The spelling of 372713509 in words is "three hundred seventy-two million, seven hundred thirteen thousand, five hundred nine".