47406870 has 112 divisors (see below), whose sum is σ = 146374560. Its totient is φ = 10824192.

The previous prime is 47406859. The next prime is 47406889. The reversal of 47406870 is 7860474.

It is a happy number.

It is a super-2 number, since 2×47406870² = 4494822646393800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 50566 + ... + 51494.

Almost surely, 2^47406870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47406870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73187280).

47406870 is an abundant number, since it is smaller than the sum of its proper divisors (98967690).

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

47406870 is an equidigital number, since it uses as much as digits as its factorization.

47406870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 47406870 is about 6885.2647007940. The cubic root of 47406870 is about 361.9209812978.

The spelling of 47406870 in words is "forty-seven million, four hundred six thousand, eight hundred seventy".