69540897 has 8 divisors (see below), whose sum is σ = 98175456. Its totient is φ = 43633472.

The previous prime is 69540883. The next prime is 69540899. The reversal of 69540897 is 79804596.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69540897 - 2¹¹ = 69538849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69540899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681723 + ... + 681824.

It is an arithmetic number, because the mean of its divisors is an integer number (12271932).

Almost surely, 2^69540897 is an apocalyptic number.

It is an amenable number.

69540897 is a deficient number, since it is larger than the sum of its proper divisors (28634559).

69540897 is a wasteful number, since it uses less digits than its factorization.

69540897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363567.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 69540897 is about 8339.1184785923. The cubic root of 69540897 is about 411.2255556527.

The spelling of 69540897 in words is "sixty-nine million, five hundred forty thousand, eight hundred ninety-seven".