47400429 has 4 divisors (see below), whose sum is σ = 63200576. Its totient is φ = 31600284.

The previous prime is 47400427. The next prime is 47400473. The reversal of 47400429 is 92400474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47400429 - 2¹ = 47400427 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47400396 and 47400405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47400427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7900069 + ... + 7900074.

It is an arithmetic number, because the mean of its divisors is an integer number (15800144).

Almost surely, 2^47400429 is an apocalyptic number.

It is an amenable number.

47400429 is a deficient number, since it is larger than the sum of its proper divisors (15800147).

47400429 is a wasteful number, since it uses less digits than its factorization.

47400429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800146.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 47400429 is about 6884.7969468968. The cubic root of 47400429 is about 361.9045895904.

The spelling of 47400429 in words is "forty-seven million, four hundred thousand, four hundred twenty-nine".