749429047 has 6 divisors (see below), whose sum is σ = 751997328. Its totient is φ = 746863992.

The previous prime is 749429029. The next prime is 749429089. The reversal of 749429047 is 740924947.

It is not a de Polignac number, because 749429047 - 2⁷ = 749428919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749428988 and 749429006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749427047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 523729 + ... + 525157.

It is an arithmetic number, because the mean of its divisors is an integer number (125332888).

Almost surely, 2^749429047 is an apocalyptic number.

749429047 is a deficient number, since it is larger than the sum of its proper divisors (2568281).

749429047 is an frugal number, since it uses more digits than its factorization.

749429047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 749429047 is about 27375.7017626946. The cubic root of 749429047 is about 908.3296844526.

The spelling of 749429047 in words is "seven hundred forty-nine million, four hundred twenty-nine thousand, forty-seven".