370749640 has 16 divisors (see below), whose sum is σ = 834186780. Its totient is φ = 148299840.

The previous prime is 370749637. The next prime is 370749647. The reversal of 370749640 is 46947073.

It can be written as a sum of positive squares in 2 ways, for example, as 370716516 + 33124 = 19254^2 + 182^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 9268741 = 370749640 / (3 + 7 + 0 + 7 + 4 + 9 + 6 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 370749593 and 370749602.

It is not an unprimeable number, because it can be changed into a prime (370749647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4634331 + ... + 4634410.

Almost surely, 2^370749640 is an apocalyptic number.

It is an amenable number.

370749640 is an abundant number, since it is smaller than the sum of its proper divisors (463437140).

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

370749640 is a wasteful number, since it uses less digits than its factorization.

370749640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268752 (or 9268748 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 370749640 is about 19254.8601656828. The cubic root of 370749640 is about 718.3899465444.

The spelling of 370749640 in words is "three hundred seventy million, seven hundred forty-nine thousand, six hundred forty".