73137147 has 16 divisors (see below), whose sum is σ = 99010560. Its totient is φ = 48016800.

The previous prime is 73137089. The next prime is 73137151. The reversal of 73137147 is 74173137.

It is not a de Polignac number, because 73137147 - 2⁶ = 73137083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73137047) 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, 61872 + ... + 63042.

It is an arithmetic number, because the mean of its divisors is an integer number (6188160).

Almost surely, 2^73137147 is an apocalyptic number.

73137147 is a deficient number, since it is larger than the sum of its proper divisors (25873413).

73137147 is a wasteful number, since it uses less digits than its factorization.

73137147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its digits is 12348, while the sum is 33.

The square root of 73137147 is about 8552.0259003350. The cubic root of 73137147 is about 418.1954836816.

The spelling of 73137147 in words is "seventy-three million, one hundred thirty-seven thousand, one hundred forty-seven".