71949060 has 120 divisors (see below), whose sum is σ = 235642176. Its totient is φ = 18342720.

The previous prime is 71949023. The next prime is 71949061. The reversal of 71949060 is 6094917.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (71949061) 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 39 ways as a sum of consecutive naturals, for example, 36295 + ... + 38225.

Almost surely, 2^71949060 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 71949060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117821088).

71949060 is an abundant number, since it is smaller than the sum of its proper divisors (163693116).

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

71949060 is a wasteful number, since it uses less digits than its factorization.

71949060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 71949060 is about 8482.2791748445. The cubic root of 71949060 is about 415.9186308432.

The spelling of 71949060 in words is "seventy-one million, nine hundred forty-nine thousand, sixty".