73420426 has 16 divisors (see below), whose sum is σ = 112531680. Its totient is φ = 35915920.

The previous prime is 73420421. The next prime is 73420429. The reversal of 73420426 is 62402437.

It is a junction number, because it is equal to n+sod(n) for n = 73420394 and 73420403.

It is not an unprimeable number, because it can be changed into a prime (73420421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25416 + ... + 28156.

It is an arithmetic number, because the mean of its divisors is an integer number (7033230).

Almost surely, 2^73420426 is an apocalyptic number.

73420426 is a deficient number, since it is larger than the sum of its proper divisors (39111254).

73420426 is a wasteful number, since it uses less digits than its factorization.

73420426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 73420426 is about 8568.5719930453. The cubic root of 73420426 is about 418.7347143451.

The spelling of 73420426 in words is "seventy-three million, four hundred twenty thousand, four hundred twenty-six".