73495489 has 4 divisors (see below), whose sum is σ = 73816660. Its totient is φ = 73174320.

The previous prime is 73495481. The next prime is 73495501. The reversal of 73495489 is 98459437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32433025 + 41062464 = 5695^2 + 6408^2 .

It is a cyclic number.

It is not a de Polignac number, because 73495489 - 2³ = 73495481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73495481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160242 + ... + 160699.

It is an arithmetic number, because the mean of its divisors is an integer number (18454165).

Almost surely, 2^73495489 is an apocalyptic number.

It is an amenable number.

73495489 is a deficient number, since it is larger than the sum of its proper divisors (321171).

73495489 is a wasteful number, since it uses less digits than its factorization.

73495489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321170.

The product of its digits is 1088640, while the sum is 49.

The square root of 73495489 is about 8572.9510088417. The cubic root of 73495489 is about 418.8773666473.

It can be divided in two parts, 73495 and 489, that added together give a square (73984 = 272²).

The spelling of 73495489 in words is "seventy-three million, four hundred ninety-five thousand, four hundred eighty-nine".