73465428 has 24 divisors (see below), whose sum is σ = 172674432. Its totient is φ = 24309184.

The previous prime is 73465423. The next prime is 73465429. The reversal of 73465428 is 82456437.

It is a happy number.

It is a super-2 number, since 2×73465428² = 10794338222446368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73465423) 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 7 ways as a sum of consecutive naturals, for example, 20700 + ... + 23987.

It is an arithmetic number, because the mean of its divisors is an integer number (7194768).

Almost surely, 2^73465428 is an apocalyptic number.

It is an amenable number.

73465428 is an abundant number, since it is smaller than the sum of its proper divisors (99209004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73465428 is a wasteful number, since it uses less digits than its factorization.

73465428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44831 (or 44829 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 73465428 is about 8571.1975826019. The cubic root of 73465428 is about 418.8202493564.

The spelling of 73465428 in words is "seventy-three million, four hundred sixty-five thousand, four hundred twenty-eight".