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70379659 = 710054237
BaseRepresentation
bin1000011000111…
…10100010001011
311220102122202001
410030132202023
5121004122114
610552251431
71513134340
oct414364213
9156378661
1070379659
1136800309
121b6a0b77
131177258c
1494c07c7
1562a3374
hex431e88b

70379659 has 4 divisors (see below), whose sum is σ = 80433904. Its totient is φ = 60325416.

The previous prime is 70379627. The next prime is 70379663. The reversal of 70379659 is 95697307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95697307 = 151633757.

It is a cyclic number.

It is not a de Polignac number, because 70379659 - 25 = 70379627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70379669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027112 + ... + 5027125.

It is an arithmetic number, because the mean of its divisors is an integer number (20108476).

Almost surely, 270379659 is an apocalyptic number.

70379659 is a deficient number, since it is larger than the sum of its proper divisors (10054245).

70379659 is a wasteful number, since it uses less digits than its factorization.

70379659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10054244.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 70379659 is about 8389.2585488826. The cubic root of 70379659 is about 412.8722741514.

The spelling of 70379659 in words is "seventy million, three hundred seventy-nine thousand, six hundred fifty-nine".

Divisors: 1 7 10054237 70379659