746576491 has 4 divisors (see below), whose sum is σ = 766754272. Its totient is φ = 726398712.

The previous prime is 746576473. The next prime is 746576513. The reversal of 746576491 is 194675647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194675647 = 1847 ⋅105401.

It is a cyclic number.

It is not a de Polignac number, because 746576491 - 2⁵ = 746576459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746576461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10088835 + ... + 10088908.

It is an arithmetic number, because the mean of its divisors is an integer number (191688568).

Almost surely, 2^746576491 is an apocalyptic number.

746576491 is a deficient number, since it is larger than the sum of its proper divisors (20177781).

746576491 is a wasteful number, since it uses less digits than its factorization.

746576491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20177780.

The product of its digits is 1270080, while the sum is 49.

The square root of 746576491 is about 27323.5519469925. The cubic root of 746576491 is about 907.1757590173.

The spelling of 746576491 in words is "seven hundred forty-six million, five hundred seventy-six thousand, four hundred ninety-one".