73442670 has 96 divisors (see below), whose sum is σ = 209599488. Its totient is φ = 16414272.

The previous prime is 73442659. The next prime is 73442687. The reversal of 73442670 is 7624437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68559 + ... + 69621.

It is an arithmetic number, because the mean of its divisors is an integer number (2183328).

Almost surely, 2^73442670 is an apocalyptic number.

73442670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73442670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104799744).

73442670 is an abundant number, since it is smaller than the sum of its proper divisors (136156818).

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

73442670 is a wasteful number, since it uses less digits than its factorization.

73442670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 73442670 is about 8569.8698939949. The cubic root of 73442670 is about 418.7769977396.

The spelling of 73442670 in words is "seventy-three million, four hundred forty-two thousand, six hundred seventy".