747849444 has 36 divisors (see below), whose sum is σ = 1771542864. Its totient is φ = 245544816.

The previous prime is 747849409. The next prime is 747849463. The reversal of 747849444 is 444948747.

It is a super-2 number, since 2×747849444² = 1118557581782218272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46927 + ... + 60809.

It is an arithmetic number, because the mean of its divisors is an integer number (49209524).

Almost surely, 2^747849444 is an apocalyptic number.

It is an amenable number.

747849444 is an abundant number, since it is smaller than the sum of its proper divisors (1023693420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747849444 is a wasteful number, since it uses less digits than its factorization.

747849444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14024 (or 13955 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 51.

The square root of 747849444 is about 27346.8360875623. The cubic root of 747849444 is about 907.6910607140.

The spelling of 747849444 in words is "seven hundred forty-seven million, eight hundred forty-nine thousand, four hundred forty-four".