73540897 has 16 divisors (see below), whose sum is σ = 79142400. Its totient is φ = 68181120.

The previous prime is 73540891. The next prime is 73540903. The reversal of 73540897 is 79804537.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73540891) and next prime (73540903).

It is a cyclic number.

It is not a de Polignac number, because 73540897 - 2⁷ = 73540769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73540891) 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, 160693 + ... + 161149.

It is an arithmetic number, because the mean of its divisors is an integer number (4946400).

Almost surely, 2^73540897 is an apocalyptic number.

It is an amenable number.

73540897 is a deficient number, since it is larger than the sum of its proper divisors (5601503).

73540897 is a wasteful number, since it uses less digits than its factorization.

73540897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 73540897 is about 8575.5989295209. The cubic root of 73540897 is about 418.9636144244.

The spelling of 73540897 in words is "seventy-three million, five hundred forty thousand, eight hundred ninety-seven".