73142574 has 16 divisors (see below), whose sum is σ = 146437200. Its totient is φ = 24355520.

The previous prime is 73142557. The next prime is 73142579. The reversal of 73142574 is 47524137.

It is a super-2 number, since 2×73142574² = 10699672262690952, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73142579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484 + ... + 12104.

It is an arithmetic number, because the mean of its divisors is an integer number (9152325).

Almost surely, 2^73142574 is an apocalyptic number.

73142574 is an abundant number, since it is smaller than the sum of its proper divisors (73294626).

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

73142574 is a wasteful number, since it uses less digits than its factorization.

73142574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12675.

The product of its digits is 23520, while the sum is 33.

The square root of 73142574 is about 8552.3431876884. The cubic root of 73142574 is about 418.2058272204.

The spelling of 73142574 in words is "seventy-three million, one hundred forty-two thousand, five hundred seventy-four".