74423066502 has 16 divisors (see below), whose sum is σ = 153978758640. Its totient is φ = 23952251232.

The previous prime is 74423066489. The next prime is 74423066537. The reversal of 74423066502 is 20566032447.

It is a super-2 number, since 2×74423066502² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213859213 + ... + 213859560.

It is an arithmetic number, because the mean of its divisors is an integer number (9623672415).

Almost surely, 2^74423066502 is an apocalyptic number.

74423066502 is an abundant number, since it is smaller than the sum of its proper divisors (79555692138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74423066502 is a wasteful number, since it uses less digits than its factorization.

74423066502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427718807.

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 74423066502 its reverse (20566032447), we get a palindrome (94989098949).

The spelling of 74423066502 in words is "seventy-four billion, four hundred twenty-three million, sixty-six thousand, five hundred two".