71925030 has 64 divisors (see below), whose sum is σ = 192545280. Its totient is φ = 19105632.

The previous prime is 71925019. The next prime is 71925043. The reversal of 71925030 is 3052917.

71925030 is a `hidden beast` number, since 71 + 92 + 503 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 71924985 and 71925003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131217 + ... + 131763.

It is an arithmetic number, because the mean of its divisors is an integer number (3008520).

Almost surely, 2^71925030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71925030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96272640).

71925030 is an abundant number, since it is smaller than the sum of its proper divisors (120620250).

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

71925030 is a wasteful number, since it uses less digits than its factorization.

71925030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 71925030 is about 8480.8625740546. The cubic root of 71925030 is about 415.8723219798.

Adding to 71925030 its reverse (3052917), we get a palindrome (74977947).

The spelling of 71925030 in words is "seventy-one million, nine hundred twenty-five thousand, thirty".