747166047 has 4 divisors (see below), whose sum is σ = 996221400. Its totient is φ = 498110696.

The previous prime is 747166039. The next prime is 747166087. The reversal of 747166047 is 740661747.

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 747166047 - 2³ = 747166039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747166027) 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, 124527672 + ... + 124527677.

It is an arithmetic number, because the mean of its divisors is an integer number (249055350).

Almost surely, 2^747166047 is an apocalyptic number.

747166047 is a deficient number, since it is larger than the sum of its proper divisors (249055353).

747166047 is a wasteful number, since it uses less digits than its factorization.

747166047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249055352.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 747166047 is about 27334.3382396575. The cubic root of 747166047 is about 907.4144888275.

The spelling of 747166047 in words is "seven hundred forty-seven million, one hundred sixty-six thousand, forty-seven".