73420630 has 16 divisors (see below), whose sum is σ = 132728544. Its totient is φ = 29241280.

The previous prime is 73420621. The next prime is 73420631. The reversal of 73420630 is 3602437.

It is a junction number, because it is equal to n+sod(n) for n = 73420595 and 73420604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73420631) 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, 13426 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (8295534).

Almost surely, 2^73420630 is an apocalyptic number.

73420630 is a deficient number, since it is larger than the sum of its proper divisors (59307914).

73420630 is a wasteful number, since it uses less digits than its factorization.

73420630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31751.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 73420630 is about 8568.5838970042. The cubic root of 73420630 is about 418.7351021655.

The spelling of 73420630 in words is "seventy-three million, four hundred twenty thousand, six hundred thirty".