47122770 has 16 divisors (see below), whose sum is σ = 113094720. Its totient is φ = 12566064.

The previous prime is 47122763. The next prime is 47122781. The reversal of 47122770 is 7722174.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1570759 = 47122770 / (4 + 7 + 1 + 2 + 2 + 7 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785350 + ... + 785409.

It is an arithmetic number, because the mean of its divisors is an integer number (7068420).

Almost surely, 2^47122770 is an apocalyptic number.

47122770 is an abundant number, since it is smaller than the sum of its proper divisors (65971950).

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

47122770 is a wasteful number, since it uses less digits than its factorization.

47122770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570769.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 47122770 is about 6864.6026833314. The cubic root of 47122770 is about 361.1965586267.

The spelling of 47122770 in words is "forty-seven million, one hundred twenty-two thousand, seven hundred seventy".