73147873247 has 8 divisors (see below), whose sum is σ = 73265824512. Its totient is φ = 73029980800.

The previous prime is 73147873237. The next prime is 73147873259. The reversal of 73147873247 is 74237874137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73147873247 - 2⁴ = 73147873231 is a prime.

It is a super-2 number, since 2×73147873247² (a number of 23 digits) 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 (73147873217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941058 + ... + 2965824.

It is an arithmetic number, because the mean of its divisors is an integer number (9158228064).

Almost surely, 2^73147873247 is an apocalyptic number.

73147873247 is a deficient number, since it is larger than the sum of its proper divisors (117951265).

73147873247 is a wasteful number, since it uses less digits than its factorization.

73147873247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29409.

The product of its digits is 5531904, while the sum is 53.

The spelling of 73147873247 in words is "seventy-three billion, one hundred forty-seven million, eight hundred seventy-three thousand, two hundred forty-seven".