69649874 has 12 divisors (see below), whose sum is σ = 121532094. Its totient is φ = 29849904.

The previous prime is 69649871. The next prime is 69649889. The reversal of 69649874 is 47894696.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35485849 + 34164025 = 5957^2 + 5845^2 .

It is a super-2 number, since 2×69649874² = 9702209896431752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69649871) 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, 355259 + ... + 355454.

Almost surely, 2^69649874 is an apocalyptic number.

69649874 is a deficient number, since it is larger than the sum of its proper divisors (51882220).

69649874 is a wasteful number, since it uses less digits than its factorization.

69649874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710729 (or 710722 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 69649874 is about 8345.6500046431. The cubic root of 69649874 is about 411.4402530005.

The spelling of 69649874 in words is "sixty-nine million, six hundred forty-nine thousand, eight hundred seventy-four".