73764905 has 4 divisors (see below), whose sum is σ = 88517892. Its totient is φ = 59011920.

The previous prime is 73764869. The next prime is 73764959. The reversal of 73764905 is 50946737.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8219689 + 65545216 = 2867^2 + 8096^2 .

It is not a de Polignac number, because 73764905 - 2¹⁰ = 73763881 is a prime.

It is a super-2 number, since 2×73764905² = 10882522419318050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7376486 + ... + 7376495.

It is an arithmetic number, because the mean of its divisors is an integer number (22129473).

Almost surely, 2^73764905 is an apocalyptic number.

It is an amenable number.

73764905 is a deficient number, since it is larger than the sum of its proper divisors (14752987).

73764905 is a wasteful number, since it uses less digits than its factorization.

73764905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14752986.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 73764905 is about 8588.6497774679. The cubic root of 73764905 is about 419.3885755676.

The spelling of 73764905 in words is "seventy-three million, seven hundred sixty-four thousand, nine hundred five".