372073521 has 4 divisors (see below), whose sum is σ = 496098032. Its totient is φ = 248049012.

The previous prime is 372073487. The next prime is 372073547. The reversal of 372073521 is 125370273.

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 372073521 - 2¹³ = 372065329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372073021) 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, 62012251 + ... + 62012256.

It is an arithmetic number, because the mean of its divisors is an integer number (124024508).

Almost surely, 2^372073521 is an apocalyptic number.

It is an amenable number.

372073521 is a deficient number, since it is larger than the sum of its proper divisors (124024511).

372073521 is a wasteful number, since it uses less digits than its factorization.

372073521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124024510.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 372073521 is about 19289.2073709627. The cubic root of 372073521 is about 719.2440116721.

The spelling of 372073521 in words is "three hundred seventy-two million, seventy-three thousand, five hundred twenty-one".