70769340 has 72 divisors (see below), whose sum is σ = 216696480. Its totient is φ = 18693504.

The previous prime is 70769297. The next prime is 70769341. The reversal of 70769340 is 4396707.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 70769295 and 70769304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70769341) 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, 17817 + ... + 21423.

Almost surely, 2^70769340 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 70769340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108348240).

70769340 is an abundant number, since it is smaller than the sum of its proper divisors (145927140).

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

70769340 is a wasteful number, since it uses less digits than its factorization.

70769340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 70769340 is about 8412.4514857442. The cubic root of 70769340 is about 413.6328748466.

The spelling of 70769340 in words is "seventy million, seven hundred sixty-nine thousand, three hundred forty".