Search a number
-
+
70742667 = 3149158261
BaseRepresentation
bin1000011011101…
…11001010001011
311221010002200210
410031313022023
5121102231132
611004132203
71516205562
oct415671213
9157102623
1070742667
1136a29016
121b837063
131186b888
149576bd9
156325bcc
hex437728b

70742667 has 8 divisors (see below), whose sum is σ = 94957200. Its totient is φ = 46844960.

The previous prime is 70742657. The next prime is 70742669. The reversal of 70742667 is 76624707.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70742667 - 226 = 3633803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70742669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78684 + ... + 79577.

It is an arithmetic number, because the mean of its divisors is an integer number (11869650).

Almost surely, 270742667 is an apocalyptic number.

70742667 is a deficient number, since it is larger than the sum of its proper divisors (24214533).

70742667 is a wasteful number, since it uses less digits than its factorization.

70742667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158413.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 70742667 is about 8410.8660077307. The cubic root of 70742667 is about 413.5809021701.

The spelling of 70742667 in words is "seventy million, seven hundred forty-two thousand, six hundred sixty-seven".

Divisors: 1 3 149 447 158261 474783 23580889 70742667