70922340 has 144 divisors (see below), whose sum is σ = 231049728. Its totient is φ = 17563392.

The previous prime is 70922339. The next prime is 70922353. The reversal of 70922340 is 4322907.

70922340 = 1745² + 1746² + ... + 1767².

It is a super-2 number, since 2×70922340² = 10059956622151200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152949 + ... + 153411.

It is an arithmetic number, because the mean of its divisors is an integer number (1604512).

Almost surely, 2^70922340 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 70922340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115524864).

70922340 is an abundant number, since it is smaller than the sum of its proper divisors (160127388).

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

70922340 is a wasteful number, since it uses less digits than its factorization.

70922340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70922340 is about 8421.5402391724. The cubic root of 70922340 is about 413.9307452594.

The spelling of 70922340 in words is "seventy million, nine hundred twenty-two thousand, three hundred forty".