73620634 has 8 divisors (see below), whose sum is σ = 110626740. Its totient is φ = 36745056.

The previous prime is 73620619. The next prime is 73620637. The reversal of 73620634 is 43602637.

It can be written as a sum of positive squares in 2 ways, for example, as 70610409 + 3010225 = 8403^2 + 1735^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 73620596 and 73620605.

It is not an unprimeable number, because it can be changed into a prime (73620637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31209 + ... + 33484.

Almost surely, 2^73620634 is an apocalyptic number.

73620634 is a deficient number, since it is larger than the sum of its proper divisors (37006106).

73620634 is a wasteful number, since it uses less digits than its factorization.

73620634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65264.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 73620634 is about 8580.2467330491. The cubic root of 73620634 is about 419.1149807004.

The spelling of 73620634 in words is "seventy-three million, six hundred twenty thousand, six hundred thirty-four".