73428927 has 16 divisors (see below), whose sum is σ = 115022208. Its totient is φ = 41078880.

The previous prime is 73428923. The next prime is 73428931. The reversal of 73428927 is 72982437.

It is an interprime number because it is at equal distance from previous prime (73428923) and next prime (73428931).

It is not a de Polignac number, because 73428927 - 2² = 73428923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73428923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85153 + ... + 86010.

It is an arithmetic number, because the mean of its divisors is an integer number (7188888).

Almost surely, 2^73428927 is an apocalyptic number.

73428927 is a deficient number, since it is larger than the sum of its proper divisors (41593281).

73428927 is a wasteful number, since it uses less digits than its factorization.

73428927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171190.

The product of its digits is 169344, while the sum is 42.

The square root of 73428927 is about 8569.0680356734. The cubic root of 73428927 is about 418.7508748181.

The spelling of 73428927 in words is "seventy-three million, four hundred twenty-eight thousand, nine hundred twenty-seven".