307490274 has 96 divisors (see below), whose sum is σ = 826809984. Its totient is φ = 80421120.

The previous prime is 307490263. The next prime is 307490299. The reversal of 307490274 is 472094703.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213862 + ... + 215294.

It is an arithmetic number, because the mean of its divisors is an integer number (8612604).

Almost surely, 2^307490274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307490274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413404992).

307490274 is an abundant number, since it is smaller than the sum of its proper divisors (519319710).

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

307490274 is a wasteful number, since it uses less digits than its factorization.

307490274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 307490274 is about 17535.4005942265. The cubic root of 307490274 is about 674.9585884059.

The spelling of 307490274 in words is "three hundred seven million, four hundred ninety thousand, two hundred seventy-four".