7742090492 has 12 divisors (see below), whose sum is σ = 13612871496. Its totient is φ = 3852698640.

The previous prime is 7742090491. The next prime is 7742090501. The reversal of 7742090492 is 2940902477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742090491) 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, 4585703 + ... + 4587390.

It is an arithmetic number, because the mean of its divisors is an integer number (1134405958).

Almost surely, 2^7742090492 is an apocalyptic number.

It is an amenable number.

7742090492 is a deficient number, since it is larger than the sum of its proper divisors (5870781004).

7742090492 is a wasteful number, since it uses less digits than its factorization.

7742090492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173308 (or 9173306 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 7742090492 is about 87989.1498538314. The cubic root of 7742090492 is about 1978.2723504068.

The spelling of 7742090492 in words is "seven billion, seven hundred forty-two million, ninety thousand, four hundred ninety-two".