70770045 has 16 divisors (see below), whose sum is σ = 115866432. Its totient is φ = 36865920.

The previous prime is 70770019. The next prime is 70770047. The reversal of 70770045 is 54007707.

It is a happy number.

It is not a de Polignac number, because 70770045 - 2⁷ = 70769917 is a prime.

It is a super-3 number, since 3×70770045³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70769994 and 70770021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70770047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54216 + ... + 55505.

It is an arithmetic number, because the mean of its divisors is an integer number (7241652).

Almost surely, 2^70770045 is an apocalyptic number.

It is an amenable number.

70770045 is a deficient number, since it is larger than the sum of its proper divisors (45096387).

70770045 is a wasteful number, since it uses less digits than its factorization.

70770045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109772.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 70770045 is about 8412.4933878132. The cubic root of 70770045 is about 413.6342483708.

The spelling of 70770045 in words is "seventy million, seven hundred seventy thousand, forty-five".