47400402 has 32 divisors (see below), whose sum is σ = 114048000. Its totient is φ = 12829968.

The previous prime is 47400377. The next prime is 47400427. The reversal of 47400402 is 20400474.

47400402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47400377) and next prime (47400427).

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 28902 + ... + 30497.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000).

Almost surely, 2^47400402 is an apocalyptic number.

47400402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47400402 is an abundant number, since it is smaller than the sum of its proper divisors (66647598).

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

47400402 is a wasteful number, since it uses less digits than its factorization.

47400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59430.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 47400402 is about 6884.7949860544. The cubic root of 47400402 is about 361.9045208749.

Adding to 47400402 its reverse (20400474), we get a palindrome (67800876).

The spelling of 47400402 in words is "forty-seven million, four hundred thousand, four hundred two".