69463240 has 128 divisors (see below), whose sum is σ = 205286400. Its totient is φ = 20494080.

The previous prime is 69463211. The next prime is 69463267. The reversal of 69463240 is 4236496.

It is a super-2 number, since 2×69463240² = 9650283422595200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69463196 and 69463205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57927 + ... + 59113.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^69463240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69463240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102643200).

69463240 is an abundant number, since it is smaller than the sum of its proper divisors (135823160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69463240 is a wasteful number, since it uses less digits than its factorization.

69463240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 69463240 is about 8334.4609903700. The cubic root of 69463240 is about 411.0724254375.

The spelling of 69463240 in words is "sixty-nine million, four hundred sixty-three thousand, two hundred forty".