73811245 has 16 divisors (see below), whose sum is σ = 91539072. Its totient is φ = 57104320.

The previous prime is 73811239. The next prime is 73811251. The reversal of 73811245 is 54211837.

It is an interprime number because it is at equal distance from previous prime (73811239) and next prime (73811251).

It is not a de Polignac number, because 73811245 - 2³ = 73811237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16854 + ... + 20776.

It is an arithmetic number, because the mean of its divisors is an integer number (5721192).

Almost surely, 2^73811245 is an apocalyptic number.

It is an amenable number.

73811245 is a deficient number, since it is larger than the sum of its proper divisors (17727827).

73811245 is a wasteful number, since it uses less digits than its factorization.

73811245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052.

The product of its digits is 6720, while the sum is 31.

The square root of 73811245 is about 8591.3471004261. The cubic root of 73811245 is about 419.4763788319.

The spelling of 73811245 in words is "seventy-three million, eight hundred eleven thousand, two hundred forty-five".