7542046000 has 80 divisors (see below), whose sum is σ = 18493869888. Its totient is φ = 2974272000.

The previous prime is 7542045983. The next prime is 7542046069. The reversal of 7542046000 is 6402457.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7542046000² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7542046000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115444 + ... + 168556.

Almost surely, 2^7542046000 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 7542046000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9246934944).

7542046000 is an abundant number, since it is smaller than the sum of its proper divisors (10951823888).

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

7542046000 is a wasteful number, since it uses less digits than its factorization.

7542046000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53207 (or 53191 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 7542046000 is about 86844.9537969824. The cubic root of 7542046000 is about 1961.0848846065.

Adding to 7542046000 its reverse (6402457), we get a palindrome (7548448457).

The spelling of 7542046000 in words is "seven billion, five hundred forty-two million, forty-six thousand".