746599680 has 360 divisors, whose sum is σ = 2819493600. Its totient is φ = 188116992.

The previous prime is 746599639. The next prime is 746599697. The reversal of 746599680 is 86995647.

746599680 is a `hidden beast` number, since 7 + 46 + 599 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×746599680² = 1114822164352204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1969731 + ... + 1970109.

Almost surely, 2^746599680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 746599680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409746800).

746599680 is an abundant number, since it is smaller than the sum of its proper divisors (2072893920).

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

746599680 is a wasteful number, since it uses less digits than its factorization.

746599680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 746599680 is about 27323.9762845747. The cubic root of 746599680 is about 907.1851513485.

The spelling of 746599680 in words is "seven hundred forty-six million, five hundred ninety-nine thousand, six hundred eighty".