70278741 has 12 divisors (see below), whose sum is σ = 109322668. Its totient is φ = 43248384.

The previous prime is 70278737. The next prime is 70278743. The reversal of 70278741 is 14787207.

It can be written as a sum of positive squares in 2 ways, for example, as 13351716 + 56927025 = 3654^2 + 7545^2 .

It is not a de Polignac number, because 70278741 - 2² = 70278737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70278696 and 70278705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70278743) 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, 300220 + ... + 300453.

Almost surely, 2^70278741 is an apocalyptic number.

It is an amenable number.

70278741 is a deficient number, since it is larger than the sum of its proper divisors (39043927).

70278741 is a wasteful number, since it uses less digits than its factorization.

70278741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600692 (or 600689 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 70278741 is about 8383.2416761060. The cubic root of 70278741 is about 412.6748393819.

The spelling of 70278741 in words is "seventy million, two hundred seventy-eight thousand, seven hundred forty-one".