740609508 has 12 divisors (see below), whose sum is σ = 1728088880. Its totient is φ = 246869832.

The previous prime is 740609497. The next prime is 740609509. The reversal of 740609508 is 805906047.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (740609509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30858718 + ... + 30858741.

Almost surely, 2^740609508 is an apocalyptic number.

It is an amenable number.

740609508 is an abundant number, since it is smaller than the sum of its proper divisors (987479372).

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

740609508 is a wasteful number, since it uses less digits than its factorization.

740609508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61717466 (or 61717464 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 740609508 is about 27214.1416914074. The cubic root of 740609508 is about 904.7524359730.

The spelling of 740609508 in words is "seven hundred forty million, six hundred nine thousand, five hundred eight".