73634051 has 4 divisors (see below), whose sum is σ = 73651704. Its totient is φ = 73616400.

The previous prime is 73634047. The next prime is 73634117. The reversal of 73634051 is 15043637.

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

It is a cyclic number.

It is not a de Polignac number, because 73634051 - 2² = 73634047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73634251) 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, 1316 + ... + 12206.

It is an arithmetic number, because the mean of its divisors is an integer number (18412926).

Almost surely, 2^73634051 is an apocalyptic number.

73634051 is a deficient number, since it is larger than the sum of its proper divisors (17653).

73634051 is a wasteful number, since it uses less digits than its factorization.

73634051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17652.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 73634051 is about 8581.0285514034. The cubic root of 73634051 is about 419.1404397048.

Adding to 73634051 its reverse (15043637), we get a palindrome (88677688).

The spelling of 73634051 in words is "seventy-three million, six hundred thirty-four thousand, fifty-one".