747734741 has 4 divisors (see below), whose sum is σ = 805252812. Its totient is φ = 690216672.

The previous prime is 747734737. The next prime is 747734803. The reversal of 747734741 is 147437747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319658641 + 428076100 = 17879^2 + 20690^2 .

It is a cyclic number.

It is not a de Polignac number, because 747734741 - 2² = 747734737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747734692 and 747734701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747734641) 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, 28759016 + ... + 28759041.

It is an arithmetic number, because the mean of its divisors is an integer number (201313203).

Almost surely, 2^747734741 is an apocalyptic number.

It is an amenable number.

747734741 is a deficient number, since it is larger than the sum of its proper divisors (57518071).

747734741 is a wasteful number, since it uses less digits than its factorization.

747734741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57518070.

The product of its digits is 460992, while the sum is 44.

The square root of 747734741 is about 27344.7388175495. The cubic root of 747734741 is about 907.6446519918.

The spelling of 747734741 in words is "seven hundred forty-seven million, seven hundred thirty-four thousand, seven hundred forty-one".