70527240 has 256 divisors, whose sum is σ = 283392000. Its totient is φ = 15240960.

The previous prime is 70527229. The next prime is 70527241. The reversal of 70527240 is 4272507.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70527241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143395 + ... + 143885.

It is an arithmetic number, because the mean of its divisors is an integer number (1107000).

Almost surely, 2^70527240 is an apocalyptic number.

70527240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70527240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141696000).

70527240 is an abundant number, since it is smaller than the sum of its proper divisors (212864760).

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

70527240 is a wasteful number, since it uses less digits than its factorization.

70527240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 70527240 is about 8398.0497736082. The cubic root of 70527240 is about 413.1606603293.

Adding to 70527240 its reverse (4272507), we get a palindrome (74799747).

The spelling of 70527240 in words is "seventy million, five hundred twenty-seven thousand, two hundred forty".