70002542 has 4 divisors (see below), whose sum is σ = 105003816. Its totient is φ = 35001270.

The previous prime is 70002533. The next prime is 70002551. The reversal of 70002542 is 24520007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24520007 = 191 ⋅128377.

It is an interprime number because it is at equal distance from previous prime (70002533) and next prime (70002551).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17500634 + ... + 17500637.

It is an arithmetic number, because the mean of its divisors is an integer number (26250954).

Almost surely, 2^70002542 is an apocalyptic number.

70002542 is a deficient number, since it is larger than the sum of its proper divisors (35001274).

70002542 is a wasteful number, since it uses less digits than its factorization.

70002542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35001273.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 70002542 is about 8366.7521775179. The cubic root of 70002542 is about 412.1335186382.

Adding to 70002542 its reverse (24520007), we get a palindrome (94522549).

The spelling of 70002542 in words is "seventy million, two thousand, five hundred forty-two".