47373642420 has 96 divisors (see below), whose sum is σ = 143479582848. Its totient is φ = 11609789952.

The previous prime is 47373642397. The next prime is 47373642443. The reversal of 47373642420 is 2424637374.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47373642397) and next prime (47373642443).

It is a super-2 number, since 2×47373642420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43282 + ... + 310838.

It is an arithmetic number, because the mean of its divisors is an integer number (1494578988).

Almost surely, 2^47373642420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47373642420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71739791424).

47373642420 is an abundant number, since it is smaller than the sum of its proper divisors (96105940428).

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

47373642420 is a wasteful number, since it uses less digits than its factorization.

47373642420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267809 (or 267807 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 42.

The spelling of 47373642420 in words is "forty-seven billion, three hundred seventy-three million, six hundred forty-two thousand, four hundred twenty".