774764490 has 16 divisors (see below), whose sum is σ = 1859434848. Its totient is φ = 206603856.

The previous prime is 774764467. The next prime is 774764513. The reversal of 774764490 is 94467477.

It is an interprime number because it is at equal distance from previous prime (774764467) and next prime (774764513).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12912712 + ... + 12912771.

It is an arithmetic number, because the mean of its divisors is an integer number (116214678).

Almost surely, 2^774764490 is an apocalyptic number.

774764490 is an abundant number, since it is smaller than the sum of its proper divisors (1084670358).

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

774764490 is a wasteful number, since it uses less digits than its factorization.

774764490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25825493.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The square root of 774764490 is about 27834.5916082848. The cubic root of 774764490 is about 918.4522218828.

The spelling of 774764490 in words is "seven hundred seventy-four million, seven hundred sixty-four thousand, four hundred ninety".