73078761 has 16 divisors (see below), whose sum is σ = 112702464. Its totient is φ = 41255184.

The previous prime is 73078739. The next prime is 73078763. The reversal of 73078761 is 16787037.

It is not a de Polignac number, because 73078761 - 2⁵ = 73078729 is a prime.

It is a super-3 number, since 3×73078761³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73078763) 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, 19221 + ... + 22706.

It is an arithmetic number, because the mean of its divisors is an integer number (7043904).

Almost surely, 2^73078761 is an apocalyptic number.

It is an amenable number.

73078761 is a deficient number, since it is larger than the sum of its proper divisors (39623703).

73078761 is a wasteful number, since it uses less digits than its factorization.

73078761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42020.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 73078761 is about 8548.6116416644. The cubic root of 73078761 is about 418.0841710643.

The spelling of 73078761 in words is "seventy-three million, seventy-eight thousand, seven hundred sixty-one".