740190492 has 18 divisors (see below), whose sum is σ = 1871037168. Its totient is φ = 246730152.

The previous prime is 740190491. The next prime is 740190497. The reversal of 740190492 is 294091047.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20560847 = 740190492 / (7 + 4 + 0 + 1 + 9 + 0 + 4 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740190491) 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, 10280388 + ... + 10280459.

Almost surely, 2^740190492 is an apocalyptic number.

It is an amenable number.

740190492 is an abundant number, since it is smaller than the sum of its proper divisors (1130846676).

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

740190492 is a wasteful number, since it uses less digits than its factorization.

740190492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560857 (or 20560852 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 740190492 is about 27206.4421047663. The cubic root of 740190492 is about 904.5817759689.

The spelling of 740190492 in words is "seven hundred forty million, one hundred ninety thousand, four hundred ninety-two".