73874121 has 4 divisors (see below), whose sum is σ = 98498832. Its totient is φ = 49249412.

The previous prime is 73874117. The next prime is 73874149. The reversal of 73874121 is 12147837.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 73874121 - 2² = 73874117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73874821) 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, 12312351 + ... + 12312356.

It is an arithmetic number, because the mean of its divisors is an integer number (24624708).

Almost surely, 2^73874121 is an apocalyptic number.

It is an amenable number.

73874121 is a deficient number, since it is larger than the sum of its proper divisors (24624711).

73874121 is a wasteful number, since it uses less digits than its factorization.

73874121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24624710.

The product of its digits is 9408, while the sum is 33.

The square root of 73874121 is about 8595.0055846404. The cubic root of 73874121 is about 419.5954551379.

The spelling of 73874121 in words is "seventy-three million, eight hundred seventy-four thousand, one hundred twenty-one".