73842747 has 16 divisors (see below), whose sum is σ = 113726592. Its totient is φ = 42120320.

The previous prime is 73842707. The next prime is 73842767. The reversal of 73842747 is 74724837.

It is not a de Polignac number, because 73842747 - 2¹⁶ = 73777211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73842699 and 73842708.

It is not an unprimeable number, because it can be changed into a prime (73842707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65253 + ... + 66374.

It is an arithmetic number, because the mean of its divisors is an integer number (7107912).

Almost surely, 2^73842747 is an apocalyptic number.

73842747 is a deficient number, since it is larger than the sum of its proper divisors (39883845).

73842747 is a wasteful number, since it uses less digits than its factorization.

73842747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131658.

The product of its digits is 263424, while the sum is 42.

The square root of 73842747 is about 8593.1802611140. The cubic root of 73842747 is about 419.5360466392.

The spelling of 73842747 in words is "seventy-three million, eight hundred forty-two thousand, seven hundred forty-seven".