73445551402 has 8 divisors (see below), whose sum is σ = 110690452512. Its totient is φ = 36548733900.

The previous prime is 73445551381. The next prime is 73445551451. The reversal of 73445551402 is 20415554437.

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, 87020374 + ... + 87021217.

It is an arithmetic number, because the mean of its divisors is an integer number (13836306564).

Almost surely, 2^73445551402 is an apocalyptic number.

73445551402 is a deficient number, since it is larger than the sum of its proper divisors (37244901110).

73445551402 is a wasteful number, since it uses less digits than its factorization.

73445551402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174041804.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 73445551402 in words is "seventy-three billion, four hundred forty-five million, five hundred fifty-one thousand, four hundred two".