25073730 has 192 divisors, whose sum is σ = 79073280. Its totient is φ = 5443200.

The previous prime is 25073723. The next prime is 25073767. The reversal of 25073730 is 3737052.

It is a super-2 number, since 2×25073730² = 1257383872225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25073694 and 25073703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 583089 + ... + 583131.

It is an arithmetic number, because the mean of its divisors is an integer number (411840).

Almost surely, 2^25073730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25073730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39536640).

25073730 is an abundant number, since it is smaller than the sum of its proper divisors (53999550).

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

25073730 is a wasteful number, since it uses less digits than its factorization.

25073730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 25073730 is about 5007.3675718884. The cubic root of 25073730 is about 292.6889421375.

The spelling of 25073730 in words is "twenty-five million, seventy-three thousand, seven hundred thirty".