740437672 has 24 divisors (see below), whose sum is σ = 1503332190. Its totient is φ = 341739840.

The previous prime is 740437661. The next prime is 740437679. The reversal of 740437672 is 276734047.

It can be written as a sum of positive squares in 3 ways, for example, as 221235876 + 519201796 = 14874^2 + 22786^2 .

It is a super-2 number, since 2×740437672² = 1096495892233559168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (740437679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272479 + ... + 275182.

Almost surely, 2^740437672 is an apocalyptic number.

It is an amenable number.

740437672 is an abundant number, since it is smaller than the sum of its proper divisors (762894518).

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

740437672 is a wasteful number, since it uses less digits than its factorization.

740437672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547693 (or 547676 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 40.

The square root of 740437672 is about 27210.9843996868. The cubic root of 740437672 is about 904.6824570960.

The spelling of 740437672 in words is "seven hundred forty million, four hundred thirty-seven thousand, six hundred seventy-two".