70422000 has 240 divisors, whose sum is σ = 252129696. Its totient is φ = 16896000.

The previous prime is 70421971. The next prime is 70422013. The reversal of 70422000 is 22407.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 725952 + ... + 726048.

Almost surely, 2^70422000 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 70422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126064848).

70422000 is an abundant number, since it is smaller than the sum of its proper divisors (181707696).

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

70422000 is a wasteful number, since it uses less digits than its factorization.

70422000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 70422000 is about 8391.7816940147. The cubic root of 70422000 is about 412.9550533744.

Adding to 70422000 its reverse (22407), we get a palindrome (70444407).

The spelling of 70422000 in words is "seventy million, four hundred twenty-two thousand".