747440349 has 8 divisors (see below), whose sum is σ = 1028735232. Its totient is φ = 482219520.

The previous prime is 747440347. The next prime is 747440371. The reversal of 747440349 is 943044747.

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

It is not a de Polignac number, because 747440349 - 2¹ = 747440347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 747440349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747440347) 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, 4018404 + ... + 4018589.

It is an arithmetic number, because the mean of its divisors is an integer number (128591904).

Almost surely, 2^747440349 is an apocalyptic number.

It is an amenable number.

747440349 is a deficient number, since it is larger than the sum of its proper divisors (281294883).

747440349 is a wasteful number, since it uses less digits than its factorization.

747440349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037027.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 747440349 is about 27339.3553142718. The cubic root of 747440349 is about 907.5255195489.

The spelling of 747440349 in words is "seven hundred forty-seven million, four hundred forty thousand, three hundred forty-nine".