70801040 has 40 divisors (see below), whose sum is σ = 165822720. Its totient is φ = 28112256.

The previous prime is 70801037. The next prime is 70801043. The reversal of 70801040 is 4010807.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70801037) and next prime (70801043).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (70801043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7937 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (4145568).

Almost surely, 2^70801040 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 70801040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82911360).

70801040 is an abundant number, since it is smaller than the sum of its proper divisors (95021680).

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

70801040 is a wasteful number, since it uses less digits than its factorization.

70801040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519 (or 6513 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 70801040 is about 8414.3353867076. The cubic root of 70801040 is about 413.6946257161.

Adding to 70801040 its reverse (4010807), we get a palindrome (74811847).

The spelling of 70801040 in words is "seventy million, eight hundred one thousand, forty".