70314642 has 40 divisors (see below), whose sum is σ = 158298492. Its totient is φ = 23328000.

The previous prime is 70314617. The next prime is 70314659. The reversal of 70314642 is 24641307.

70314642 is a `hidden beast` number, since 7 + 0 + 3 + 14 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69906321 + 408321 = 8361^2 + 639^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 38142 + ... + 39942.

Almost surely, 2^70314642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70314642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79149246).

70314642 is an abundant number, since it is smaller than the sum of its proper divisors (87983850).

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

70314642 is a wasteful number, since it uses less digits than its factorization.

70314642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70314642 is about 8385.3826388544. The cubic root of 70314642 is about 412.7450973156.

Adding to 70314642 its reverse (24641307), we get a palindrome (94955949).

The spelling of 70314642 in words is "seventy million, three hundred fourteen thousand, six hundred forty-two".