746880731 has 4 divisors (see below), whose sum is σ = 746994672. Its totient is φ = 746766792.

The previous prime is 746880727. The next prime is 746880749. The reversal of 746880731 is 137088647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137088647 = 3467 ⋅39541.

It is a cyclic number.

It is not a de Polignac number, because 746880731 - 2² = 746880727 is a prime.

It is a super-2 number, since 2×746880731² = 1115661652678188722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746880131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46496 + ... + 60461.

It is an arithmetic number, because the mean of its divisors is an integer number (186748668).

Almost surely, 2^746880731 is an apocalyptic number.

746880731 is a deficient number, since it is larger than the sum of its proper divisors (113941).

746880731 is a wasteful number, since it uses less digits than its factorization.

746880731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113940.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 746880731 is about 27329.1187380786. The cubic root of 746880731 is about 907.2989710720.

The spelling of 746880731 in words is "seven hundred forty-six million, eight hundred eighty thousand, seven hundred thirty-one".