70151040 has 192 divisors, whose sum is σ = 255387600. Its totient is φ = 17694720.

The previous prime is 70151023. The next prime is 70151051. The reversal of 70151040 is 4015107.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109120 + ... + 109760.

Almost surely, 2^70151040 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 70151040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127693800).

70151040 is an abundant number, since it is smaller than the sum of its proper divisors (185236560).

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

70151040 is a wasteful number, since it uses less digits than its factorization.

70151040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 70151040 is about 8375.6217679645. The cubic root of 70151040 is about 412.4247355794.

Adding to 70151040 its reverse (4015107), we get a palindrome (74166147).

The spelling of 70151040 in words is "seventy million, one hundred fifty-one thousand, forty".