70769240 has 64 divisors (see below), whose sum is σ = 163425600. Its totient is φ = 27574272.

The previous prime is 70769233. The next prime is 70769267. The reversal of 70769240 is 4296707.

It is a self number, because there is not a number n which added to its sum of digits gives 70769240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366584 + ... + 366776.

It is an arithmetic number, because the mean of its divisors is an integer number (2553525).

Almost surely, 2^70769240 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 70769240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81712800).

70769240 is an abundant number, since it is smaller than the sum of its proper divisors (92656360).

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

70769240 is a wasteful number, since it uses less digits than its factorization.

70769240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 70769240 is about 8412.4455421714. The cubic root of 70769240 is about 413.6326800197.

The spelling of 70769240 in words is "seventy million, seven hundred sixty-nine thousand, two hundred forty".