746751431 has 4 divisors (see below), whose sum is σ = 747982272. Its totient is φ = 745520592.

The previous prime is 746751391. The next prime is 746751443. The reversal of 746751431 is 134157647.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 746751431 - 2¹⁸ = 746489287 is a prime.

It is a super-2 number, since 2×746751431² = 1115275399401095522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746751931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614510 + ... + 615723.

It is an arithmetic number, because the mean of its divisors is an integer number (186995568).

Almost surely, 2^746751431 is an apocalyptic number.

746751431 is a deficient number, since it is larger than the sum of its proper divisors (1230841).

746751431 is a wasteful number, since it uses less digits than its factorization.

746751431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230840.

The product of its digits is 70560, while the sum is 38.

The square root of 746751431 is about 27326.7530270246. The cubic root of 746751431 is about 907.2466108479.

The spelling of 746751431 in words is "seven hundred forty-six million, seven hundred fifty-one thousand, four hundred thirty-one".