47374749 has 6 divisors (see below), whose sum is σ = 68430206. Its totient is φ = 31583160.

The previous prime is 47374697. The next prime is 47374781. The reversal of 47374749 is 94747374.

It can be written as a sum of positive squares in only one way, i.e., 29354724 + 18020025 = 5418^2 + 4245^2 .

It is not a de Polignac number, because 47374749 - 2¹¹ = 47372701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47370749) 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, 2631922 + ... + 2631939.

Almost surely, 2^47374749 is an apocalyptic number.

It is an amenable number.

47374749 is a deficient number, since it is larger than the sum of its proper divisors (21055457).

47374749 is a wasteful number, since it uses less digits than its factorization.

47374749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263867 (or 5263864 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 47374749 is about 6882.9317154829. The cubic root of 47374749 is about 361.8392217663.

The spelling of 47374749 in words is "forty-seven million, three hundred seventy-four thousand, seven hundred forty-nine".