73640770402 has 8 divisors (see below), whose sum is σ = 110534850000. Its totient is φ = 36795820404.

The previous prime is 73640770369. The next prime is 73640770403. The reversal of 73640770402 is 20407704637.

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

It is not an unprimeable number, because it can be changed into a prime (73640770403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12278652 + ... + 12284647.

It is an arithmetic number, because the mean of its divisors is an integer number (13816856250).

Almost surely, 2^73640770402 is an apocalyptic number.

73640770402 is a deficient number, since it is larger than the sum of its proper divisors (36894079598).

73640770402 is a wasteful number, since it uses less digits than its factorization.

73640770402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24564800.

The product of its (nonzero) digits is 197568, while the sum is 40.

The spelling of 73640770402 in words is "seventy-three billion, six hundred forty million, seven hundred seventy thousand, four hundred two".