73542006 has 36 divisors (see below), whose sum is σ = 165668412. Its totient is φ = 24450984.

The previous prime is 73541953. The next prime is 73542043. The reversal of 73542006 is 60024537.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 188860 + ... + 189248.

Almost surely, 2^73542006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73542006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82834206).

73542006 is an abundant number, since it is smaller than the sum of its proper divisors (92126406).

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

73542006 is an frugal number, since it uses more digits than its factorization.

73542006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 73542006 is about 8575.6635894839. The cubic root of 73542006 is about 418.9657204105.

The spelling of 73542006 in words is "seventy-three million, five hundred forty-two thousand, six".