73690079 has 4 divisors (see below), whose sum is σ = 75487440. Its totient is φ = 71892720.

The previous prime is 73690063. The next prime is 73690081. The reversal of 73690079 is 97009637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97009637 = 719 ⋅134923.

It is a cyclic number.

It is not a de Polignac number, because 73690079 - 2⁴ = 73690063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1797319 = 73690079 / (7 + 3 + 6 + 9 + 0 + 0 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73690009) 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, 898619 + ... + 898700.

It is an arithmetic number, because the mean of its divisors is an integer number (18871860).

Almost surely, 2^73690079 is an apocalyptic number.

73690079 is a deficient number, since it is larger than the sum of its proper divisors (1797361).

73690079 is a wasteful number, since it uses less digits than its factorization.

73690079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797360.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 73690079 is about 8584.2925742311. The cubic root of 73690079 is about 419.2467204564.

The spelling of 73690079 in words is "seventy-three million, six hundred ninety thousand, seventy-nine".