73401542 has 4 divisors (see below), whose sum is σ = 110102316. Its totient is φ = 36700770.

The previous prime is 73401539. The next prime is 73401547. The reversal of 73401542 is 24510437.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73401547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18350384 + ... + 18350387.

It is an arithmetic number, because the mean of its divisors is an integer number (27525579).

Almost surely, 2^73401542 is an apocalyptic number.

73401542 is a deficient number, since it is larger than the sum of its proper divisors (36700774).

73401542 is a wasteful number, since it uses less digits than its factorization.

73401542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36700773.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 73401542 is about 8567.4699882754. The cubic root of 73401542 is about 418.6988112375.

Adding to 73401542 its reverse (24510437), we get a palindrome (97911979).

The spelling of 73401542 in words is "seventy-three million, four hundred one thousand, five hundred forty-two".