70987041 has 12 divisors (see below), whose sum is σ = 106072980. Its totient is φ = 45692640.

The previous prime is 70987009. The next prime is 70987043. The reversal of 70987041 is 14078907.

It can be written as a sum of positive squares in 2 ways, for example, as 48944016 + 22043025 = 6996^2 + 4695^2 .

It is not a de Polignac number, because 70987041 - 2⁵ = 70987009 is a prime.

It is a super-3 number, since 3×70987041³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70986987 and 70987005.

It is not an unprimeable number, because it can be changed into a prime (70987043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135730 + ... + 136251.

It is an arithmetic number, because the mean of its divisors is an integer number (8839415).

Almost surely, 2^70987041 is an apocalyptic number.

It is an amenable number.

70987041 is a deficient number, since it is larger than the sum of its proper divisors (35085939).

70987041 is a wasteful number, since it uses less digits than its factorization.

70987041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272016 (or 272013 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 70987041 is about 8425.3807629092. The cubic root of 70987041 is about 414.0565805187.

The spelling of 70987041 in words is "seventy million, nine hundred eighty-seven thousand, forty-one".