746451720 has 128 divisors (see below), whose sum is σ = 2843654400. Its totient is φ = 170615808.

The previous prime is 746451701. The next prime is 746451721. The reversal of 746451720 is 27154647.

746451720 is a `hidden beast` number, since 7 + 4 + 645 + 1 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (746451721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41809 + ... + 56928.

It is an arithmetic number, because the mean of its divisors is an integer number (22216050).

Almost surely, 2^746451720 is an apocalyptic number.

746451720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

746451720 is an abundant number, since it is smaller than the sum of its proper divisors (2097202680).

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

746451720 is a wasteful number, since it uses less digits than its factorization.

746451720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98764 (or 98754 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 746451720 is about 27321.2686381874. The cubic root of 746451720 is about 907.1252191936.

The spelling of 746451720 in words is "seven hundred forty-six million, four hundred fifty-one thousand, seven hundred twenty".