7405289892 has 672 divisors, whose sum is σ = 27146972160. Its totient is φ = 1704810240.

The previous prime is 7405289891. The next prime is 7405289917. The reversal of 7405289892 is 2989825047.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7405289891) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 125513359 + ... + 125513417.

It is an arithmetic number, because the mean of its divisors is an integer number (40397280).

Almost surely, 2^7405289892 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 7405289892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13573486080).

7405289892 is an abundant number, since it is smaller than the sum of its proper divisors (19741682268).

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

7405289892 is a wasteful number, since it uses less digits than its factorization.

7405289892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 7405289892 is about 86053.9940502473. The cubic root of 7405289892 is about 1949.1593915277.

The spelling of 7405289892 in words is "seven billion, four hundred five million, two hundred eighty-nine thousand, eight hundred ninety-two".