7490920566 has 16 divisors (see below), whose sum is σ = 15023577600. Its totient is φ = 2490017448.

The previous prime is 7490920561. The next prime is 7490920571. The reversal of 7490920566 is 6650290947.

It is an interprime number because it is at equal distance from previous prime (7490920561) and next prime (7490920571).

It is a super-2 number, since 2×7490920566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490920561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736686 + ... + 1740993.

It is an arithmetic number, because the mean of its divisors is an integer number (938973600).

Almost surely, 2^7490920566 is an apocalyptic number.

7490920566 is an abundant number, since it is smaller than the sum of its proper divisors (7532657034).

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

7490920566 is a wasteful number, since it uses less digits than its factorization.

7490920566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478043.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 7490920566 is about 86550.1043673548. The cubic root of 7490920566 is about 1956.6436175751.

The spelling of 7490920566 in words is "seven billion, four hundred ninety million, nine hundred twenty thousand, five hundred sixty-six".