69964272 has 120 divisors (see below), whose sum is σ = 231096320. Its totient is φ = 19336320.

The previous prime is 69964267. The next prime is 69964277. The reversal of 69964272 is 27246996.

It is an interprime number because it is at equal distance from previous prime (69964267) and next prime (69964277).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69964277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30129 + ... + 32367.

Almost surely, 2^69964272 is an apocalyptic number.

69964272 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69964272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115548160).

69964272 is an abundant number, since it is smaller than the sum of its proper divisors (161132048).

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

69964272 is a wasteful number, since it uses less digits than its factorization.

69964272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291 (or 2282 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 69964272 is about 8364.4648364375. The cubic root of 69964272 is about 412.0584012477.

The spelling of 69964272 in words is "sixty-nine million, nine hundred sixty-four thousand, two hundred seventy-two".