70501340 has 48 divisors (see below), whose sum is σ = 182223552. Its totient is φ = 22311936.

The previous prime is 70501331. The next prime is 70501357. The reversal of 70501340 is 4310507.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 17549 + ... + 21188.

It is an arithmetic number, because the mean of its divisors is an integer number (3796324).

Almost surely, 2^70501340 is an apocalyptic number.

70501340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70501340 is an abundant number, since it is smaller than the sum of its proper divisors (111722212).

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

70501340 is a wasteful number, since it uses less digits than its factorization.

70501340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38766 (or 38764 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70501340 is about 8396.5076073329. The cubic root of 70501340 is about 413.1100785906.

Adding to 70501340 its reverse (4310507), we get a palindrome (74811847).

The spelling of 70501340 in words is "seventy million, five hundred one thousand, three hundred forty".