70532100 has 144 divisors (see below), whose sum is σ = 229568640. Its totient is φ = 18576000.

The previous prime is 70532057. The next prime is 70532113. The reversal of 70532100 is 123507.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 407614 + ... + 407786.

Almost surely, 2^70532100 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 70532100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114784320).

70532100 is an abundant number, since it is smaller than the sum of its proper divisors (159036540).

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

70532100 is a wasteful number, since it uses less digits than its factorization.

70532100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 70532100 is about 8398.3391215168. The cubic root of 70532100 is about 413.1701503489.

Adding to 70532100 its reverse (123507), we get a palindrome (70655607).

The spelling of 70532100 in words is "seventy million, five hundred thirty-two thousand, one hundred".