73854645 has 32 divisors (see below), whose sum is σ = 120742272. Its totient is φ = 38541312.

The previous prime is 73854643. The next prime is 73854659. The reversal of 73854645 is 54645837.

It is not a de Polignac number, because 73854645 - 2¹ = 73854643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73854597 and 73854606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73854643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170349 + ... + 170781.

It is an arithmetic number, because the mean of its divisors is an integer number (3773196).

Almost surely, 2^73854645 is an apocalyptic number.

It is an amenable number.

73854645 is a deficient number, since it is larger than the sum of its proper divisors (46887627).

73854645 is a wasteful number, since it uses less digits than its factorization.

73854645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

The product of its digits is 403200, while the sum is 42.

The square root of 73854645 is about 8593.8725263993. The cubic root of 73854645 is about 419.5585781764.

The spelling of 73854645 in words is "seventy-three million, eight hundred fifty-four thousand, six hundred forty-five".