740505492 has 36 divisors (see below), whose sum is σ = 1911663936. Its totient is φ = 241582800.

The previous prime is 740505481. The next prime is 740505511. The reversal of 740505492 is 294505047.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217134 + ... + 220517.

It is an arithmetic number, because the mean of its divisors is an integer number (53101776).

Almost surely, 2^740505492 is an apocalyptic number.

It is an amenable number.

740505492 is an abundant number, since it is smaller than the sum of its proper divisors (1171158444).

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

740505492 is a wasteful number, since it uses less digits than its factorization.

740505492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437708 (or 437703 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 740505492 is about 27212.2305590703. The cubic root of 740505492 is about 904.7100775577.

The spelling of 740505492 in words is "seven hundred forty million, five hundred five thousand, four hundred ninety-two".