731698374480 has 40 divisors (see below), whose sum is σ = 2268264961632. Its totient is φ = 195119566464.

The previous prime is 731698374427. The next prime is 731698374493. The reversal of 731698374480 is 84473896137.

731698374480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×731698374480² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524371374 + ... + 1524371853.

Almost surely, 2^731698374480 is an apocalyptic number.

It is an amenable number.

731698374480 is an abundant number, since it is smaller than the sum of its proper divisors (1536566587152).

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

731698374480 is a wasteful number, since it uses less digits than its factorization.

731698374480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048743243 (or 3048743237 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 731698374480 in words is "seven hundred thirty-one billion, six hundred ninety-eight million, three hundred seventy-four thousand, four hundred eighty".