73542830 has 8 divisors (see below), whose sum is σ = 132377112. Its totient is φ = 29417128.

The previous prime is 73542817. The next prime is 73542839. The reversal of 73542830 is 3824537.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73542839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3677132 + ... + 3677151.

It is an arithmetic number, because the mean of its divisors is an integer number (16547139).

Almost surely, 2^73542830 is an apocalyptic number.

73542830 is a deficient number, since it is larger than the sum of its proper divisors (58834282).

73542830 is a wasteful number, since it uses less digits than its factorization.

73542830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354290.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 73542830 is about 8575.7116322787. The cubic root of 73542830 is about 418.9672851691.

The spelling of 73542830 in words is "seventy-three million, five hundred forty-two thousand, eight hundred thirty".