1670542275 has 12 divisors (see below), whose sum is σ = 2761963352. Its totient is φ = 890955840.

The previous prime is 1670542273. The next prime is 1670542277. The reversal of 1670542275 is 5722450761.

It is an interprime number because it is at equal distance from previous prime (1670542273) and next prime (1670542277).

It is not a de Polignac number, because 1670542275 - 2¹ = 1670542273 is a prime.

It is a super-2 number, since 2×1670542275² = 5581422985124351250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670542273) 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, 11136874 + ... + 11137023.

Almost surely, 2^1670542275 is an apocalyptic number.

1670542275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1670542275 is a deficient number, since it is larger than the sum of its proper divisors (1091421077).

1670542275 is a wasteful number, since it uses less digits than its factorization.

1670542275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22273910 (or 22273905 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 1670542275 is about 40872.2677985942. The cubic root of 1670542275 is about 1186.5493984277.

The spelling of 1670542275 in words is "one billion, six hundred seventy million, five hundred forty-two thousand, two hundred seventy-five".