774473720 has 32 divisors (see below), whose sum is σ = 1743599520. Its totient is φ = 309605760.

The previous prime is 774473671. The next prime is 774473729. The reversal of 774473720 is 27374477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774473729) 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, 77405 + ... + 86835.

It is an arithmetic number, because the mean of its divisors is an integer number (54487485).

Almost surely, 2^774473720 is an apocalyptic number.

It is an amenable number.

774473720 is an abundant number, since it is smaller than the sum of its proper divisors (969125800).

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

774473720 is a wasteful number, since it uses less digits than its factorization.

774473720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495 (or 11491 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 41.

The square root of 774473720 is about 27829.3679410798. The cubic root of 774473720 is about 918.3373087825.

The spelling of 774473720 in words is "seven hundred seventy-four million, four hundred seventy-three thousand, seven hundred twenty".