73640854 has 16 divisors (see below), whose sum is σ = 129178368. Its totient is φ = 30826152.

The previous prime is 73640851. The next prime is 73640873. The reversal of 73640854 is 45804637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73640851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60562 + ... + 61765.

It is an arithmetic number, because the mean of its divisors is an integer number (8073648).

Almost surely, 2^73640854 is an apocalyptic number.

73640854 is a deficient number, since it is larger than the sum of its proper divisors (55537514).

73640854 is a wasteful number, since it uses less digits than its factorization.

73640854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122379.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 73640854 is about 8581.4249399502. The cubic root of 73640854 is about 419.1533473409.

The spelling of 73640854 in words is "seventy-three million, six hundred forty thousand, eight hundred fifty-four".