73761013 has 4 divisors (see below), whose sum is σ = 73951020. Its totient is φ = 73571008.

The previous prime is 73760989. The next prime is 73761019. The reversal of 73761013 is 31016737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31016737 = 199 ⋅155863.

It can be written as a sum of positive squares in 2 ways, for example, as 14424804 + 59336209 = 3798^2 + 7703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73761013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73761019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94420 + ... + 95197.

It is an arithmetic number, because the mean of its divisors is an integer number (18487755).

Almost surely, 2^73761013 is an apocalyptic number.

It is an amenable number.

73761013 is a deficient number, since it is larger than the sum of its proper divisors (190007).

73761013 is a wasteful number, since it uses less digits than its factorization.

73761013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190006.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 73761013 is about 8588.4231963731. The cubic root of 73761013 is about 419.3811994807.

The spelling of 73761013 in words is "seventy-three million, seven hundred sixty-one thousand, thirteen".