73472427 has 20 divisors (see below), whose sum is σ = 125435376. Its totient is φ = 41983920.

The previous prime is 73472407. The next prime is 73472447. The reversal of 73472427 is 72427437.

It is an interprime number because it is at equal distance from previous prime (73472407) and next prime (73472447).

It is not a de Polignac number, because 73472427 - 2¹⁰ = 73471403 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73472391 and 73472400.

It is not an unprimeable number, because it can be changed into a prime (73472407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64224 + ... + 65357.

Almost surely, 2^73472427 is an apocalyptic number.

73472427 is a deficient number, since it is larger than the sum of its proper divisors (51962949).

73472427 is a wasteful number, since it uses less digits than its factorization.

73472427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129600 (or 129591 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 73472427 is about 8571.6058588808. The cubic root of 73472427 is about 418.8335491716.

The spelling of 73472427 in words is "seventy-three million, four hundred seventy-two thousand, four hundred twenty-seven".