70542000 has 120 divisors (see below), whose sum is σ = 246442560. Its totient is φ = 18806400.

The previous prime is 70541983. The next prime is 70542001. The reversal of 70542000 is 24507.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (70542001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16041 + ... + 19959.

It is an arithmetic number, because the mean of its divisors is an integer number (2053688).

Almost surely, 2^70542000 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 70542000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123221280).

70542000 is an abundant number, since it is smaller than the sum of its proper divisors (175900560).

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

70542000 is a wasteful number, since it uses less digits than its factorization.

70542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 70542000 is about 8398.9285030890. The cubic root of 70542000 is about 413.1894805221.

Adding to 70542000 its reverse (24507), we get a palindrome (70566507).

The spelling of 70542000 in words is "seventy million, five hundred forty-two thousand".