746599491 has 16 divisors (see below), whose sum is σ = 1206625920. Its totient is φ = 452484360.

The previous prime is 746599487. The next prime is 746599507. The reversal of 746599491 is 194995647.

It is a happy number.

746599491 is a `hidden beast` number, since 7 + 4 + 6 + 599 + 49 + 1 = 666.

It is not a de Polignac number, because 746599491 - 2² = 746599487 is a prime.

It is a super-2 number, since 2×746599491² = 1114821599922918162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (746599991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256605 + ... + 1257198.

It is an arithmetic number, because the mean of its divisors is an integer number (75414120).

Almost surely, 2^746599491 is an apocalyptic number.

746599491 is a deficient number, since it is larger than the sum of its proper divisors (460026429).

746599491 is a wasteful number, since it uses less digits than its factorization.

746599491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513823 (or 2513817 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 746599491 is about 27323.9728260734. The cubic root of 746599491 is about 907.1850747978.

The spelling of 746599491 in words is "seven hundred forty-six million, five hundred ninety-nine thousand, four hundred ninety-one".