746404647 has 8 divisors (see below), whose sum is σ = 995896944. Its totient is φ = 497257728.

The previous prime is 746404643. The next prime is 746404649.

746404647 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 746404647 - 2² = 746404643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 746404599 and 746404608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746404643) 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, 81258 + ... + 89975.

It is an arithmetic number, because the mean of its divisors is an integer number (124487118).

Almost surely, 2^746404647 is an apocalyptic number.

746404647 is a deficient number, since it is larger than the sum of its proper divisors (249492297).

746404647 is a wasteful number, since it uses less digits than its factorization.

746404647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172689.

The product of its (nonzero) digits is 451584, while the sum is 42.

The square root of 746404647 is about 27320.4071528958. The cubic root of 746404647 is about 907.1061503099.

The spelling of 746404647 in words is "seven hundred forty-six million, four hundred four thousand, six hundred forty-seven".