73240100 has 36 divisors (see below), whose sum is σ = 162322944. Its totient is φ = 28670880.

The previous prime is 73240099. The next prime is 73240127. The reversal of 73240100 is 104237.

It is a happy number.

It is a super-2 number, since 2×73240100² = 10728224496020000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3092 + ... + 12491.

Almost surely, 2^73240100 is an apocalyptic number.

It is an amenable number.

73240100 is an abundant number, since it is smaller than the sum of its proper divisors (89082844).

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

73240100 is a wasteful number, since it uses less digits than its factorization.

73240100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644 (or 15637 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 73240100 is about 8558.0430005931. The cubic root of 73240100 is about 418.3916188195.

Adding to 73240100 its reverse (104237), we get a palindrome (73344337).

The spelling of 73240100 in words is "seventy-three million, two hundred forty thousand, one hundred".