73705151 has 4 divisors (see below), whose sum is σ = 79374792. Its totient is φ = 68035512.

The previous prime is 73705127. The next prime is 73705157. The reversal of 73705151 is 15150737.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73705151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73705157) 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, 2834801 + ... + 2834826.

It is an arithmetic number, because the mean of its divisors is an integer number (19843698).

Almost surely, 2^73705151 is an apocalyptic number.

73705151 is a deficient number, since it is larger than the sum of its proper divisors (5669641).

73705151 is a wasteful number, since it uses less digits than its factorization.

73705151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669640.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 73705151 is about 8585.1704118206. The cubic root of 73705151 is about 419.2753016707.

Adding to 73705151 its reverse (15150737), we get a palindrome (88855888).

It can be divided in two parts, 7370 and 5151, that added together give a palindrome (12521).

The spelling of 73705151 in words is "seventy-three million, seven hundred five thousand, one hundred fifty-one".