73036651 has 4 divisors (see below), whose sum is σ = 75392704. Its totient is φ = 70680600.

The previous prime is 73036643. The next prime is 73036679. The reversal of 73036651 is 15663037.

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 73036651 - 2³ = 73036643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2356021 = 73036651 / (7 + 3 + 0 + 3 + 6 + 6 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73036151) 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, 1177980 + ... + 1178041.

It is an arithmetic number, because the mean of its divisors is an integer number (18848176).

Almost surely, 2^73036651 is an apocalyptic number.

73036651 is a deficient number, since it is larger than the sum of its proper divisors (2356053).

73036651 is a wasteful number, since it uses less digits than its factorization.

73036651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356052.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 73036651 is about 8546.1483137142. The cubic root of 73036651 is about 418.0038517536.

Adding to 73036651 its reverse (15663037), we get a palindrome (88699688).

The spelling of 73036651 in words is "seventy-three million, thirty-six thousand, six hundred fifty-one".