73978294 has 8 divisors (see below), whose sum is σ = 119503440. Its totient is φ = 34143816.

The previous prime is 73978291. The next prime is 73978319. The reversal of 73978294 is 49287937.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73978291) 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, 1422634 + ... + 1422685.

It is an arithmetic number, because the mean of its divisors is an integer number (14937930).

Almost surely, 2^73978294 is an apocalyptic number.

73978294 is a deficient number, since it is larger than the sum of its proper divisors (45525146).

73978294 is a wasteful number, since it uses less digits than its factorization.

73978294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845334.

The product of its digits is 762048, while the sum is 49.

The square root of 73978294 is about 8601.0635388887. The cubic root of 73978294 is about 419.7925922265.

The spelling of 73978294 in words is "seventy-three million, nine hundred seventy-eight thousand, two hundred ninety-four".