47890620 has 36 divisors (see below), whose sum is σ = 145268760. Its totient is φ = 12770784.

The previous prime is 47890613. The next prime is 47890631. The reversal of 47890620 is 2609874.

47890620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×47890620² = 4587022967968800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132850 + ... + 133209.

Almost surely, 2^47890620 is an apocalyptic number.

It is an amenable number.

47890620 is an abundant number, since it is smaller than the sum of its proper divisors (97378140).

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

47890620 is a wasteful number, since it uses less digits than its factorization.

47890620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266074 (or 266069 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 47890620 is about 6920.3049065775. The cubic root of 47890620 is about 363.1478577135.

The spelling of 47890620 in words is "forty-seven million, eight hundred ninety thousand, six hundred twenty".