47370861 has 6 divisors (see below), whose sum is σ = 68424590. Its totient is φ = 31580568.

The previous prime is 47370859. The next prime is 47370863. The reversal of 47370861 is 16807374.

It is an interprime number because it is at equal distance from previous prime (47370859) and next prime (47370863).

It can be written as a sum of positive squares in only one way, i.e., 29095236 + 18275625 = 5394^2 + 4275^2 .

It is not a de Polignac number, because 47370861 - 2¹ = 47370859 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 (47370863) 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, 2631706 + ... + 2631723.

Almost surely, 2^47370861 is an apocalyptic number.

It is an amenable number.

47370861 is a deficient number, since it is larger than the sum of its proper divisors (21053729).

47370861 is a wasteful number, since it uses less digits than its factorization.

47370861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263435 (or 5263432 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47370861 is about 6882.6492719010. The cubic root of 47370861 is about 361.8293228968.

The spelling of 47370861 in words is "forty-seven million, three hundred seventy thousand, eight hundred sixty-one".