73401478 has 16 divisors (see below), whose sum is σ = 117262080. Its totient is φ = 34339456.

The previous prime is 73401469. The next prime is 73401509. The reversal of 73401478 is 87410437.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358 + ... + 12121.

It is an arithmetic number, because the mean of its divisors is an integer number (7328880).

Almost surely, 2^73401478 is an apocalyptic number.

73401478 is a deficient number, since it is larger than the sum of its proper divisors (43860602).

73401478 is a wasteful number, since it uses less digits than its factorization.

73401478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 73401478 is about 8567.4662532163. The cubic root of 73401478 is about 418.6986895473.

The spelling of 73401478 in words is "seventy-three million, four hundred one thousand, four hundred seventy-eight".