69954457 has 8 divisors (see below), whose sum is σ = 72333000. Its totient is φ = 67601664.

The previous prime is 69954449. The next prime is 69954461. The reversal of 69954457 is 75445996.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2238016 + 67716441 = 1496^2 + 8229^2 .

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

It is not a de Polignac number, because 69954457 - 2³ = 69954449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69954457.

It is not an unprimeable number, because it can be changed into a prime (69957457) 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, 832 + ... + 11857.

It is an arithmetic number, because the mean of its divisors is an integer number (9041625).

Almost surely, 2^69954457 is an apocalyptic number.

It is an amenable number.

69954457 is a deficient number, since it is larger than the sum of its proper divisors (2378543).

69954457 is a wasteful number, since it uses less digits than its factorization.

69954457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875.

The product of its digits is 1360800, while the sum is 49.

The square root of 69954457 is about 8363.8781076723. The cubic root of 69954457 is about 412.0391316871.

The spelling of 69954457 in words is "sixty-nine million, nine hundred fifty-four thousand, four hundred fifty-seven".