70749700 has 72 divisors (see below), whose sum is σ = 178863552. Its totient is φ = 23786880.

The previous prime is 70749697. The next prime is 70749703. The reversal of 70749700 is 794707.

It is an interprime number because it is at equal distance from previous prime (70749697) and next prime (70749703).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70749703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36147 + ... + 38053.

It is an arithmetic number, because the mean of its divisors is an integer number (2484216).

Almost surely, 2^70749700 is an apocalyptic number.

70749700 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 70749700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89431776).

70749700 is an abundant number, since it is smaller than the sum of its proper divisors (108113852).

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

70749700 is a wasteful number, since it uses less digits than its factorization.

70749700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 70749700 is about 8411.2840874625. The cubic root of 70749700 is about 413.5946073272.

The spelling of 70749700 in words is "seventy million, seven hundred forty-nine thousand, seven hundred".