70818000 has 320 divisors, whose sum is σ = 264625920. Its totient is φ = 16128000.

The previous prime is 70817993. The next prime is 70818001. The reversal of 70818000 is 81807.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70818001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1913982 + ... + 1914018.

It is an arithmetic number, because the mean of its divisors is an integer number (826956).

Almost surely, 2^70818000 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 70818000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132312960).

70818000 is an abundant number, since it is smaller than the sum of its proper divisors (193807920).

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

70818000 is a wasteful number, since it uses less digits than its factorization.

70818000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 70818000 is about 8415.3431302592. The cubic root of 70818000 is about 413.7276558368.

Adding to 70818000 its reverse (81807), we get a palindrome (70899807).

The spelling of 70818000 in words is "seventy million, eight hundred eighteen thousand".