70825040 has 160 divisors (see below), whose sum is σ = 199487232. Its totient is φ = 23040000.

The previous prime is 70825031. The next prime is 70825057. The reversal of 70825040 is 4052807.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468965 + ... + 469115.

Almost surely, 2^70825040 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 70825040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99743616).

70825040 is an abundant number, since it is smaller than the sum of its proper divisors (128662192).

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

70825040 is a wasteful number, since it uses less digits than its factorization.

70825040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 70825040 is about 8415.7614034620. The cubic root of 70825040 is about 413.7413649041.

Adding to 70825040 its reverse (4052807), we get a palindrome (74877847).

The spelling of 70825040 in words is "seventy million, eight hundred twenty-five thousand, forty".