372971540 has 48 divisors (see below), whose sum is σ = 814593024. Its totient is φ = 143289600.

The previous prime is 372971531. The next prime is 372971563. The reversal of 372971540 is 45179273.

It is a junction number, because it is equal to n+sod(n) for n = 372971494 and 372971503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82745 + ... + 87135.

It is an arithmetic number, because the mean of its divisors is an integer number (16970688).

Almost surely, 2^372971540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372971540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407296512).

372971540 is an abundant number, since it is smaller than the sum of its proper divisors (441621484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

372971540 is a wasteful number, since it uses less digits than its factorization.

372971540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568 (or 4566 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 372971540 is about 19312.4711003020. The cubic root of 372971540 is about 719.8221911748.

The spelling of 372971540 in words is "three hundred seventy-two million, nine hundred seventy-one thousand, five hundred forty".