47020830 has 16 divisors (see below), whose sum is σ = 112850064. Its totient is φ = 12538880.

The previous prime is 47020823. The next prime is 47020837. The reversal of 47020830 is 3802074.

It is an interprime number because it is at equal distance from previous prime (47020823) and next prime (47020837).

It is a self number, because there is not a number n which added to its sum of digits gives 47020830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47020837) 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, 783651 + ... + 783710.

It is an arithmetic number, because the mean of its divisors is an integer number (7053129).

Almost surely, 2^47020830 is an apocalyptic number.

47020830 is an abundant number, since it is smaller than the sum of its proper divisors (65829234).

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

47020830 is a wasteful number, since it uses less digits than its factorization.

47020830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567371.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 47020830 is about 6857.1736160024. The cubic root of 47020830 is about 360.9359135066.

The spelling of 47020830 in words is "forty-seven million, twenty thousand, eight hundred thirty".