71492700 has 72 divisors (see below), whose sum is σ = 208236672. Its totient is φ = 18937280.

The previous prime is 71492699. The next prime is 71492711. The reversal of 71492700 is 729417.

It is a super-2 number, since 2×71492700² = 10222412306580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 49387 + ... + 50813.

It is an arithmetic number, because the mean of its divisors is an integer number (2892176).

Almost surely, 2^71492700 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 71492700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104118336).

71492700 is an abundant number, since it is smaller than the sum of its proper divisors (136743972).

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

71492700 is a wasteful number, since it uses less digits than its factorization.

71492700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 71492700 is about 8455.3355935764. The cubic root of 71492700 is about 415.0373992521.

The spelling of 71492700 in words is "seventy-one million, four hundred ninety-two thousand, seven hundred".