47642373 has 6 divisors (see below), whose sum is σ = 68816774. Its totient is φ = 31761576.

The previous prime is 47642363. The next prime is 47642383. The reversal of 47642373 is 37324674.

It is a happy number.

47642373 is a `hidden beast` number, since 4 + 7 + 642 + 3 + 7 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (47642363) and next prime (47642383).

It can be written as a sum of positive squares in only one way, i.e., 46009089 + 1633284 = 6783^2 + 1278^2 .

It is not a de Polignac number, because 47642373 - 2⁸ = 47642117 is a prime.

It is a super-2 number, since 2×47642373² = 4539591410142258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47642333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2646790 + ... + 2646807.

Almost surely, 2^47642373 is an apocalyptic number.

It is an amenable number.

47642373 is a deficient number, since it is larger than the sum of its proper divisors (21174401).

47642373 is a wasteful number, since it uses less digits than its factorization.

47642373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293603 (or 5293600 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 47642373 is about 6902.3454709251. The cubic root of 47642373 is about 362.5192963172.

It can be divided in two parts, 476 and 42373, that added together give a square (42849 = 207²).

The spelling of 47642373 in words is "forty-seven million, six hundred forty-two thousand, three hundred seventy-three".