67534497 has 6 divisors (see below), whose sum is σ = 97549842. Its totient is φ = 45022992.

The previous prime is 67534483. The next prime is 67534499. The reversal of 67534497 is 79443576.

It can be written as a sum of positive squares in only one way, i.e., 65999376 + 1535121 = 8124^2 + 1239^2 .

It is not a de Polignac number, because 67534497 - 2⁶ = 67534433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67534499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3751908 + ... + 3751925.

It is an arithmetic number, because the mean of its divisors is an integer number (16258307).

Almost surely, 2^67534497 is an apocalyptic number.

It is an amenable number.

67534497 is a deficient number, since it is larger than the sum of its proper divisors (30015345).

67534497 is a wasteful number, since it uses less digits than its factorization.

67534497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503839 (or 7503836 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 67534497 is about 8217.9375149730. The cubic root of 67534497 is about 407.2319930945.

The spelling of 67534497 in words is "sixty-seven million, five hundred thirty-four thousand, four hundred ninety-seven".