746400691 has 8 divisors (see below), whose sum is σ = 801134064. Its totient is φ = 692870400.

The previous prime is 746400679. The next prime is 746400709. The reversal of 746400691 is 196004647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 746400691 - 2⁵ = 746400659 is a prime.

It is a super-2 number, since 2×746400691² = 1114227983050554962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 746400691.

It is not an unprimeable number, because it can be changed into a prime (746400601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299485 + ... + 301966.

It is an arithmetic number, because the mean of its divisors is an integer number (100141758).

Almost surely, 2^746400691 is an apocalyptic number.

746400691 is a deficient number, since it is larger than the sum of its proper divisors (54733373).

746400691 is a wasteful number, since it uses less digits than its factorization.

746400691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601541.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 746400691 is about 27320.3347527076. The cubic root of 746400691 is about 907.1045477304.

The spelling of 746400691 in words is "seven hundred forty-six million, four hundred thousand, six hundred ninety-one".