47415402 has 32 divisors (see below), whose sum is σ = 106142400. Its totient is φ = 15688944.

The previous prime is 47415391. The next prime is 47415421. The reversal of 47415402 is 20451474.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4348 + ... + 10664.

It is an arithmetic number, because the mean of its divisors is an integer number (3316950).

Almost surely, 2^47415402 is an apocalyptic number.

47415402 is an abundant number, since it is smaller than the sum of its proper divisors (58726998).

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

47415402 is a wasteful number, since it uses less digits than its factorization.

47415402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467 (or 6461 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 47415402 is about 6885.8842569419. The cubic root of 47415402 is about 361.9426921074.

Adding to 47415402 its reverse (20451474), we get a palindrome (67866876).

It can be divided in two parts, 474 and 15402, that added together give a square (15876 = 126²).

The spelling of 47415402 in words is "forty-seven million, four hundred fifteen thousand, four hundred two".