747428066 has 48 divisors (see below), whose sum is σ = 1426172832. Its totient is φ = 290505600.

The previous prime is 747427999. The next prime is 747428111. The reversal of 747428066 is 660824747.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847946 + ... + 848826.

It is an arithmetic number, because the mean of its divisors is an integer number (29711934).

Almost surely, 2^747428066 is an apocalyptic number.

747428066 is a deficient number, since it is larger than the sum of its proper divisors (678744766).

747428066 is a wasteful number, since it uses less digits than its factorization.

747428066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 747428066 is about 27339.1306738162. The cubic root of 747428066 is about 907.5205482728.

The spelling of 747428066 in words is "seven hundred forty-seven million, four hundred twenty-eight thousand, sixty-six".