746447522 has 6 divisors (see below), whose sum is σ = 1119729243. Its totient is φ = 373204442.

The previous prime is 746447521. The next prime is 746447531. The reversal of 746447522 is 225744647.

It can be written as a sum of positive squares in only one way, i.e., 373223761 + 373223761 = 19319^2 + 19319^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=19319.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 746447522.

It is not an unprimeable number, because it can be changed into a prime (746447521) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28979 + ... + 48297.

Almost surely, 2^746447522 is an apocalyptic number.

746447522 is a deficient number, since it is larger than the sum of its proper divisors (373281721).

746447522 is an frugal number, since it uses more digits than its factorization.

746447522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38640 (or 19321 counting only the distinct ones).

The product of its digits is 376320, while the sum is 41.

The square root of 746447522 is about 27321.1918114858. The cubic root of 746447522 is about 907.1235186510.

The spelling of 746447522 in words is "seven hundred forty-six million, four hundred forty-seven thousand, five hundred twenty-two".