73387869 has 4 divisors (see below), whose sum is σ = 97850496. Its totient is φ = 48925244.

The previous prime is 73387837. The next prime is 73387877. The reversal of 73387869 is 96878337.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96878337 = 3 ⋅32292779.

It is a cyclic number.

It is not a de Polignac number, because 73387869 - 2⁵ = 73387837 is a prime.

It is a super-2 number, since 2×73387869² = 10771558632722322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73387829) 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, 12231309 + ... + 12231314.

It is an arithmetic number, because the mean of its divisors is an integer number (24462624).

Almost surely, 2^73387869 is an apocalyptic number.

It is an amenable number.

73387869 is a deficient number, since it is larger than the sum of its proper divisors (24462627).

73387869 is a wasteful number, since it uses less digits than its factorization.

73387869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24462626.

The product of its digits is 1524096, while the sum is 51.

The square root of 73387869 is about 8566.6719909192. The cubic root of 73387869 is about 418.6728116731.

The spelling of 73387869 in words is "seventy-three million, three hundred eighty-seven thousand, eight hundred sixty-nine".