746970391 has 4 divisors (see below), whose sum is σ = 749520072. Its totient is φ = 744420712.

The previous prime is 746970373. The next prime is 746970397. The reversal of 746970391 is 193079647.

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 746970391 - 2¹³ = 746962199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746970397) 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, 1274401 + ... + 1274986.

It is an arithmetic number, because the mean of its divisors is an integer number (187380018).

Almost surely, 2^746970391 is an apocalyptic number.

746970391 is a deficient number, since it is larger than the sum of its proper divisors (2549681).

746970391 is a wasteful number, since it uses less digits than its factorization.

746970391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549680.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 746970391 is about 27330.7590637362. The cubic root of 746970391 is about 907.3352754722.

The spelling of 746970391 in words is "seven hundred forty-six million, nine hundred seventy thousand, three hundred ninety-one".