73399761 has 24 divisors (see below), whose sum is σ = 112586760. Its totient is φ = 45920256.

The previous prime is 73399751. The next prime is 73399771. The reversal of 73399761 is 16799337.

It is an interprime number because it is at equal distance from previous prime (73399751) and next prime (73399771).

It can be written as a sum of positive squares in 4 ways, for example, as 38825361 + 34574400 = 6231^2 + 5880^2 .

It is not a de Polignac number, because 73399761 - 2¹¹ = 73397713 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (73399751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90325 + ... + 91133.

It is an arithmetic number, because the mean of its divisors is an integer number (4691115).

Almost surely, 2^73399761 is an apocalyptic number.

It is an amenable number.

73399761 is a deficient number, since it is larger than the sum of its proper divisors (39186999).

73399761 is a wasteful number, since it uses less digits than its factorization.

73399761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1422 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 73399761 is about 8567.3660479753. The cubic root of 73399761 is about 418.6954248026.

The spelling of 73399761 in words is "seventy-three million, three hundred ninety-nine thousand, seven hundred sixty-one".