73413691 has 8 divisors (see below), whose sum is σ = 80144960. Its totient is φ = 66837312.

The previous prime is 73413679. The next prime is 73413707. The reversal of 73413691 is 19631437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73413691 - 2¹⁷ = 73282619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73413491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37731 + ... + 39628.

It is an arithmetic number, because the mean of its divisors is an integer number (10018120).

Almost surely, 2^73413691 is an apocalyptic number.

73413691 is a deficient number, since it is larger than the sum of its proper divisors (6731269).

73413691 is a wasteful number, since it uses less digits than its factorization.

73413691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77445.

The product of its digits is 13608, while the sum is 34.

The square root of 73413691 is about 8568.1789780560. The cubic root of 73413691 is about 418.7219101675.

The spelling of 73413691 in words is "seventy-three million, four hundred thirteen thousand, six hundred ninety-one".