73270642 has 8 divisors (see below), whose sum is σ = 109979100. Its totient is φ = 36610944.

The previous prime is 73270633. The next prime is 73270661. The reversal of 73270642 is 24607237.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73256481 + 14161 = 8559^2 + 119^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8167 + ... + 14602.

Almost surely, 2^73270642 is an apocalyptic number.

73270642 is a deficient number, since it is larger than the sum of its proper divisors (36708458).

73270642 is a wasteful number, since it uses less digits than its factorization.

73270642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24380.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 73270642 is about 8559.8272178824. The cubic root of 73270642 is about 418.4497688446.

Adding to 73270642 its reverse (24607237), we get a palindrome (97877879).

The spelling of 73270642 in words is "seventy-three million, two hundred seventy thousand, six hundred forty-two".